Done with Roberto Raggi.

Conflicts:
	src/plugins/debugger/gdb/gdbengine.cpp

Reviewed-by: Oswald Buddenhagen

Factor out the initialization setting up the environment and headers in
the RVCT/GCCE toolchains.
Modify the RunControl to be able to support different package
building/signing processes.

This reverts commit 6a9e7ab0.

This change breaks OSX very badly.

This reverts commit 6a9e7ab0.

When we meet /* we look for closing */ and continue processing from the next char, not from '/' which was a part of the closing comment

Reviewed-by: dt

Reviewed-by: Oswald Buddenhagen

Reviewed-by: Robert Loehning

Fixes a bug that after package installation the debugging helpers are
sometimes marked as invalid.

Reviewed-By: hjk

Fails for system Qt on 10.6.

Reviewed-By: hjk <qtc-committer@nokia.com>

 * Use Task class in addToTaskWindow(...) signal. This introduces
   support for task categories into the BuildParsers.
 * Add a task category for buildsystem issues.
 * Update existing BuildParsers to new API and assign their
   tasks to the Compile or Buildsystem task category.

Reviewed-By: dt

There were three missing and one duplicate. Committed to master since
1.3 is currently in a hard string freeze.

Task-number: QTCREATORBUG-261
Task-number: QTCREATORBUG-262
Task-number: QTCREATORBUG-263
Task-number: QTCREATORBUG-264

The problem is that the shlib events disturb bounded execution requests
and there is no way to recover from this - the debugger will effectively
turn "step over" into "continue". this is nicely explained in
http://vladimir_prus.blogspot.com/2007/12/debugger-stories-pending-breakpoints.html

Merge-request: 2065
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>