Bundle start: stop instanciating other classes before start() is called.

- This prevents concurrency problems.
- Fixes Issue 542:	Plug-in "ccw.core" was unable to instantiate class "ccw.editors.clojure.ClojureEditor".
Externalization of serverrepl
Prevent calls to Tracer to throw NPE when plugin not initialiazed.

- Fix Issue 545:	ccw caused Eclipse to crash
- Added traces to understand under which circumstances this kind of error happens
CCW now compatible with Juno 4.2.2 & Kepler.

- workaround for Eclipse compatibility layer problems with Views secondaryIds
- Fixes Issue 535:	Ctrl+Up in REPL input area doesn't work unless Alt+Tab out then back in	‹ Prev 170 of 180 Next ›