anonym -> lambda: unique param names (IDEA-113338)
XDebugProcess.registerAdditionalContent method restored to keep compatibility with IDEA 12 API
XDebugProcess method rename: createLayouter -> createTabLayouter
Minor changes to NewProjectCheckoutListener to reuse its code.

Change-Id: I4393552b2b4cc7adb6074b6e7bc7d71d62dd9d12
add Copyright
continue WEB-1171 javascript live console: add history actions
notnullification
xdebugger: simplified calling old deprecated method & javadocs added