platform: restart build process on Java compiler settings modification

(support request #48593)
do not show inline editor if base tree is already hidden
IDEA-125176 Use helper classes from TaskUiUtil in TrelloRepositoryEditor

Also I cleaned up a bit: added missing @Nullable annotations and
final modifiers for local variables. Field `myMoved` in TrelloList
is not persisted any more.
IDEA-125176 Trello migration to HttpClient 4.x (initial)
IDEA-125176 Use URIBuilder to construct URLs with query parameters
fixing test
TitleCapitalizationInspection: multiple returns