Revert "Fixed occaisional crash with switching between editors"

This reverts commit b5a3d81eb76dda89766cb461eb4326a2b0846dee.

Conflicts:
	XVim/IDESourceCodeEditorHook.h
	XVim/IDESourceCodeEditorHook.m
Revert "Fixed occaisional crash when changing files"

This reverts commit 9d649a0b4ed8087f5ba96d4051c498e73ce101ce.

Conflicts:
	XVim/IDEEditorArea+XVim.m
Revert "Fixed some crashers relating to notifications"

This reverts commit 619d5a1af664acd32bc4f17273f762a6ca5468de.

Conflicts:
	XVim/IDEEditorArea+XVim.m
	XVim/IDESourceCodeEditorHook.h
	XVim/IDESourceCodeEditorHook.m