autotest delay is customizable now
default is back to 3 seconds
#RUBY-10517 fixed
#PY-10711 fixed

Conflicts:
	platform/testRunner/src/com/intellij/execution/testframework/autotest/ToggleAutoTestAction.java
CR-IC-2646
decode file name for quickfix
#WEB-9559 fixed
guess DTD by public id
#WEB-9546 fixed
WEB-9384 Emmet expansion collides with PHP completion using Tab
IDEA-110640 Tab autocompletes to tag name in XML
(cherry-picked from f649c66)