update plugin dependencies
move isAccessibleDir to ErlUtils
remove duplicate method
renamed model tests packages
1142: builder: errors are shown for one file only when using "build automatically"
v0.19.0
1143: Erlang application Run Configuration settings on Runtimes tab are blank after updating from 0.18 to 0.19
hotfix 0.19.0
generalize retrieving objects implemented by extension points
extract model_api plugin
use ExtensionUtils in more places
reorganize plugin manifests
remove InternalErlideBuilder and BuilderVisitor, move code to BuilderHelper
update r101 file
1145: editor can have two reconcilers running
rename model_api to model.api; add core.api, backend.api and runtime.api
move otp.erlang extras to runtime.api
move RuntimeVersion to runtime package
move rpc and runtimeinfo apis to runtime.api
remove warnings