ide; debugger; valgrind integration. gdb dialog command history. old valgrind launcher with toolbar button.

old commit message: added 'run with launcher' feature. menu item, toolbar button, and default 'valgrind' value for executable prefix of default compiler configuration.

Conflicts:
	ide/src/ide.ec
ide; project view right click menu; removed duplication when setting text, hotkey and accelerator for menu items in popup menu that are exact match of project menu items.

Conflicts:
	ide/src/project/ProjectView.ec