Changes related to TISTUD-2679 Unhandled event loop exception Java heap space crash and freeze when editing large file
Fixed TISTUD-2121: added names to all threads in our Java code.
APSTUD-7572 Split JS plugin into core and UI parts
Implemented APSTUD-7575: split CSS editor into core and ui plugins.
TISTUD-3185: updated the copyright to 2013.
TISTUD-3539: published PHP to its own update site.
Merge branch 'development' into release