Merge branch '2.1'

* 2.1:
  fixed CS
  added doc comments
  added doc comments
  [Validator] Updated swedish translation
  Update src/Symfony/Component/Validator/Resources/translations/validators.de.xlf
  [2.1] Exclude tests from zips via gitattributes
  [HttpKernel][Translator] Fixed type-hints
  Updated lithuanian validation translation
  [DomCrawler] Allows using multiselect through Form::setValues().
  [Translation] forced the catalogue to be regenerated when a resource is added (closes symfony/translation#1)
  Unit test for patched method OptionsResolver::validateOptionValues().
  validateOptionValues throw a notice if an allowed value is set and the corresponding option isn't.
  [Form] Hardened code of ViolationMapper against errors
  [HttpFoundation] Fixed #5611 - Request::splitHttpAcceptHeader incorrect result order.
  [Form] Fixed negative index access in PropertyPathBuilder
  Update src/Symfony/Component/Validator/Resources/translations/validators.ro.xlf

Conflicts:
	src/Symfony/Component/DomCrawler/Form.php
	src/Symfony/Component/Process/Process.php

.gitattributes

@@ -0,0 +1,2 @@
+Tests/ export-ignore
+phpunit.xml.dist export-ignore

Process.php

@@ -581,7 +581,7 @@ public function hasBeenStopped()
     }
 
     /**
-     * Returns the number of the signal that caused the child process to stop its execution
+     * Returns the number of the signal that caused the child process to stop its execution.
      *
      * It is only meaningful if hasBeenStopped() returns true.
      *
@@ -652,22 +652,41 @@ public function stop($timeout=10)
         return $this->exitcode;
     }
 
+    /**
+     * Adds a line to the STDOUT stream.
+     *
+     * @param string $line The line to append
+     */
     public function addOutput($line)
     {
         $this->stdout .= $line;
     }
 
+    /**
+     * Adds a line to the STDERR stream.
+     *
+     * @param string $line The line to append
+     */
     public function addErrorOutput($line)
     {
         $this->stderr .= $line;
     }
 
+    /**
+     * Gets the command line to be executed.
+     *
+     * @return string The command to execute
+     */
     public function getCommandLine()
     {
         return $this->commandline;
     }
 
     /**
+     * Sets the command line to be executed.
+     *
+     * @param string $commandline The command to execute
+     *
      * @return self The current Process instance
      */
     public function setCommandLine($commandline)
@@ -677,6 +696,11 @@ public function setCommandLine($commandline)
         return $this;
     }
 
+    /**
+     * Gets the process timeout.
+     *
+     * @return integer|null The timeout in seconds or null if it's disabled
+     */
     public function getTimeout()
     {
         return $this->timeout;
@@ -687,9 +711,11 @@ public function getTimeout()
      *
      * To disable the timeout, set this value to null.
      *
-     * @param integer|null
+     * @param integer|null $timeout The timeout in seconds
      *
      * @return self The current Process instance
+     *
+     * @throws \InvalidArgumentException if the timeout is negative
      */
     public function setTimeout($timeout)
     {
@@ -710,12 +736,21 @@ public function setTimeout($timeout)
         return $this;
     }
 
+    /**
+     * Gets the working directory.
+     *
+     * @return string The current working directory
+     */
     public function getWorkingDirectory()
     {
         return $this->cwd;
     }
 
     /**
+     * Sets the current working directory.
+     *
+     * @param string $cwd The new working directory
+     *
      * @return self The current Process instance
      */
     public function setWorkingDirectory($cwd)
@@ -725,12 +760,21 @@ public function setWorkingDirectory($cwd)
         return $this;
     }
 
+    /**
+     * Gets the environment variables.
+     *
+     * @return array The current environment variables
+     */
     public function getEnv()
     {
         return $this->env;
     }
 
     /**
+     * Sets the environment variables.
+     *
+     * @param array $env The new environment variables
+     *
      * @return self The current Process instance
      */
     public function setEnv(array $env)
@@ -740,12 +784,21 @@ public function setEnv(array $env)
         return $this;
     }
 
+    /**
+     * Gets the contents of STDIN.
+     *
+     * @return string The current contents
+     */
     public function getStdin()
     {
         return $this->stdin;
     }
 
     /**
+     * Sets the contents of STDIN.
+     *
+     * @param string $stdin The new contents
+     *
      * @return self The current Process instance
      */
     public function setStdin($stdin)
@@ -755,12 +808,21 @@ public function setStdin($stdin)
         return $this;
     }
 
+    /**
+     * Gets the options for proc_open.
+     *
+     * @return array The current options
+     */
     public function getOptions()
     {
         return $this->options;
     }
 
     /**
+     * Sets the options for proc_open.
+     *
+     * @param array $options The new options
+     *
      * @return self The current Process instance
      */
     public function setOptions(array $options)
@@ -770,12 +832,23 @@ public function setOptions(array $options)
         return $this;
     }
 
+    /**
+     * Gets whether or not Windows compatibility is enabled
+     *
+     * This is true by default.
+     *
+     * @return Boolean
+     */
     public function getEnhanceWindowsCompatibility()
     {
         return $this->enhanceWindowsCompatibility;
     }
 
     /**
+     * Sets whether or not Windows compatibility is enabled
+     *
+     * @param Boolean $enhance
+     *
      * @return self The current Process instance
      */
     public function setEnhanceWindowsCompatibility($enhance)