Improved selection in RVM code inspector
Completed reorganization of profiler

The organization of coverage masurement and profiling are now made
uniform. Both can starteed, stopped and restarted to selectively
instrument parts of the Rascal code.

- For Coverage:
	- startCoverage
	- stopCoverage
	- getCoverage
	- reportCoverage
- For Profile:
	- start Profile
	- stopProfile
	- getProfile
	- reportProfile
Some cleanup