remove version check, it shouldn't be needed with gem dependencies
AS is no more a plugin, plugins are removed in rails4, deprecated in 3.2
remove use of DEFAULT_FIELD_OPTIONS, which has been removed on rails4
Merge branch 'master' into rails4
Merge branch 'master' into rails4
Merge branch 'master' into rails4
Update runtime dependency
[rails4] update datetime tags
Merge pull request #284 from vlmonk/rails4

keep rails4 branch sync with master
Merge branch 'master' into rails4
test against rails4
Merge branch 'master' into rails4
fix running tests on rails4
Fix error on nested scaffold close
update scope syntax to rails4
Use rails 4 ActionView::Helpers::Tags::Base subclass instead of rails 3 InstanceTag for country select and USA state select
fix bridges tests
fix constraints
fix permissions test for rails4
fix count with group test