Merged hocon module to ScalaCommunity as it significantly can simplify build and it also fixes running tests for ScalaCommunity project.
plugin update branch switch suggester and settings

- rename ScalaApplicationSettings to ScalaCompileServerSettings
- add plugin update branch switcher setting in plugin settings
- add update hint for idea eap builds
Ahead-of-time completion
Scala style inspection re-enabled
Workaround for idea bug in external system. This fixes {Play SBT projects can't be imported in IDEA CE} #SCL-7837
Merge remote-tracking branch 'origin/master'
ScalaParameterCompletionContributor: check whether prefix is empty
AOT completion for variables and values
moved hocon classes into org.jetbrains.plugins.hocon
persist "search in text occurrences" option for find usages of method parameters
#SCL-7850 fixed
Merge pull request #101 from ghik/hocon-package-refactor

HOCON classes moved to org.jetbrains.plugins.hocon
Parser fixed for type variables in patterns #SCL-7827 Fixed
= revealed SBT version in annotation message
ScalaAotCompletionTest.testImport