[2458672] Fixing level map not using CMD_MAP_* commands or going through cmd-keys.h. This will allow these commands to be remapped correctly.

Also, fixing issue where cancelling the level map help screen in tiles wouldn't go back to viewing the dungeon.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7957 c06c8d41-db1a-0410-9941-cceddc491573

Created by  ennewalker  on December 24, 2008
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