IDEA-126621 Wording and usability issues in IntelliJ IDEA setup wizard. Updated win uninstaller.
Cleanup (duplicates)
[git] simplify: use existing utility method
[git] simplify: use lastIndexOf(char, int)
[git] cleanup: remove trivial javadocs
[git] capitalize dialog titles
[git] unstash progress: set indeterminate
[log] error -> warn in the exception with well-known cause (IDEA-126380)
[git tests] add message to assertion
[git tests] call tearDown even if setUp fails with exception/assumption