Merge pull request #7 from tdiary/support-ruby2.4

upgrade mongoid 6.0 to support ruby2.4

.travis.yml

@@ -2,10 +2,9 @@ language: ruby
 cache: bundler
 
 rvm:
-  - 2.0.0
-  - 2.1
   - 2.2
-  - 2.3.0
+  - 2.3.3
+  - 2.4.0
   - ruby-head
 
 before_install:

Gemfile

@@ -4,3 +4,4 @@ source 'https://rubygems.org'
 gemspec
 
 gem 'tdiary', github: 'tdiary/tdiary-core'
+gem 'tdiary-style-rd'

tdiary-io-mongodb.gemspec

@@ -4,7 +4,7 @@ $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 
 Gem::Specification.new do |spec|
   spec.name          = "tdiary-io-mongodb"
-  spec.version       = "4.2.0.1"
+  spec.version       = "5.0.3"
   spec.authors       = ["TADA Tadashi"]
   spec.email         = ["[email protected]"]
   spec.description   = %q{MongoDB adapter for tDiary}
@@ -17,7 +17,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "mongoid", "~> 5.0"
+  spec.add_dependency "mongoid", "~> 6.0"
   spec.add_dependency "hikidoc"
 
   spec.add_development_dependency "bundler", "~> 1.3"