Key shortcut TAB and SHIFT+TAB is not working in "Replace in Path" dialog window when IDEA is running on JDK7

(cherry-picked from 130d021c)

(cherry-picked from 4a795ec1)

WEB-6724 Installation home of a previous WebStorm version is not accepted during start-up settings import - proper fix

WEB-6724 Installation home of a previous WebStorm version is not accepted during start-up settings import

(cherry picked from commit 7db17487)

WEB-5939 Unexpected comment if add a new line before noncommented code and the previous line was commented
(cherry picked from commit 6b3c9929)

Reviewed by A. Vokin

(cherry picked from commit 56223b0b)

(cherry picked from commit f247ebba)

reviewed by A. Vokin

(cherry picked from commit 9f77f11d)

reviewed by A. Vokin

(cherry-picked from 2334d487)

(cherry picked from commit fc7a588b)

reviewed by A. Vokin

(cherry picked from commit f21285e6)

(cherry picked from commit 0a2f5908)

(cherry picked from commit 7c8abe81)

Microdata: WEB-6805 HTML microdata: no completion if the element referenced via itemref has upper nesting level than the element with the itemscope attribute
(cherry picked from commit 64e0e506) reviewed by Dmitry Avdeev

IDEA-101631 Updating Maven snapshots with sources does not synchronize sources to latest when navigating to class
Fix tests.
(cherry picked from commit ef69feb9)