cleanup
Platform: incorrect behavior of ToolWindowManager's headless implementation: contents handling is now better emulated
IDEA-127001 (separate workarounds for awesome WM 3.4/3.5+)
java: clean AST/PSI separation for annotation parameter list (fixes IDEA-119684)
generic debugger settings: merge to support AppCode (all settings on one page)
ensure type parameters contain fully qualified names (IDEA-127714)