Merge pull request #52 from yenatch/master

Bank 70 texts.
Merge pull request #53 from yenatch/master

Compressed graphics and gfx.py updates.
Merge pull request #54 from yenatch/master

Include all known decompressed files.

* frontpics & animation tiles
* backpics
* trainer pics
* attack animation gfx
* intro gfx
* intro tilemaps
* title gfx
* tilesets
* player backpic
* dude backpic
* pokegear/town map

fixes #33, #34 and #35
pedantic whitespace removal
change .cpr extension to .lz