fix-up typo

Author: tanjunchen

Diff for: .travis.yml

@@ -20,4 +20,4 @@ after_success:
   - bash <(curl -s https://codecov.io/bash)
 notifications:
     webhooks: https://www.travisbuddy.com/
-    on_success: never # travisbuddy don't comment on successfull 
+    on_success: never # travisbuddy don't comment on successful 

Diff for: hack/jenkins/installers/check_install_golang.sh

@@ -28,7 +28,7 @@ INSTALL_PATH=${2}
 # installs or updates golang if right version doesn't exists
 function check_and_install_golang() {
   if ! go version &>/dev/null; then
-    echo "WARNING: No golang installation found in your enviroment."
+    echo "WARNING: No golang installation found in your environment."
     install_golang "$VERSION_TO_INSTALL" "$INSTALL_PATH"
     return
   fi