Initial Commit of Filters

Added rendermaps, in working but messy state.
Added testfilter
Initial Commit for textrender

Added textrender in a messy state
Added reference to Text Render
Fixed textrender mode

Updated permission mode of textrender to be like the other filters.
Cleanup and general improvement

Improved or removed comments. Removed getMapColorIndex function and
replaced it with a numpy ndarray. Added check that wallmaps are against
a wall.
Editted inputs and comments

Removed "Make map chest" option, and removed reminder about checking for
a wall.