more appropriate dispose objects for general "show popup for component" - if any found
not used class
install completion preview for lookup explicitly focused (e.g. explciit completion)
remove preview artifacts before deciding we don't want to show the new preview (e.g. there's no selection)
Do not ask authentication in common authenticator for every request; ask only for proxy or pass to explicitly registered authenticators

 will fix IDEA-100247 Creating library from Maven asks for proxy authentication credentials
 also changes (same result, less code) fix for IDEA-100094 Git: strange proxy login dialog without proxy enabled when working with https git repository
Merge remote branch 'origin/master'
Typo
Test case assessment and minor rewrite
IDEA-100690 (use build.txt as a fallback if application info is incomplete/unavailable)
Inspection profiles aligned