added signing for community launchers in zip distr.
Merge remote-tracking branch 'origin/master'
use backported V8 CHM only for Oracle or Apple JDK (IDEA-116404 Java code compilation does not work with IBM JDK)
Merge remote-tracking branch 'origin/master'
make IntelliJ laf by default on Linux
IDEA-111388 Built-in server not "available external" — it is unclear that port number must be also changed