GitLab

Especially when several error markers exist, the flashing this causes
while editing isn't really nice.

Reviewed-by: Roberto Raggi

(cherry picked from commit 9539bb2b)

   implement ^ and 0

Conflicts:
	src/plugins/debugger/procinterrupt.cpp

Conflicts:
	src/plugins/debugger/gdbengine.cpp

watch view update

Details:  We now get the system includes and system defines.

Details:  These classes replace a number of classes with differing
interfaces by just one class. The design isn't quite perfect, but a lot
better than what it used to be. Also moved the ToolChain classes to the
projectexplorerm so that eventually the cmake plugin can also use them.

Return early in this case.

Reviewed-by: Roberto Raggi