Don't show default game warning when using --help or --version
Merge pull request #905 from dorkster/fixes

Don't show default game warning when using --help or --version
Display the default game warning on the title screen

Closes #896
Merge pull request #906 from dorkster/fixes

Display the default game warning on the title screen
Handle absolute paths for BINDIR in CMakeLists.txt

Looks like this was accidently removed when splitting the CMake file
between engine and game data.
Merge pull request #907 from dorkster/cmake

Handle absolute paths for BINDIR in CMakeLists.txt
Load only last hero_options.
Merge pull request #909 from igorko/fixes

Load only last hero_options.
Allow translating default hero names

Also, I moved the newline outside of the "Next Level:" string in Power
tooltips. This is because it messed up po/pot generation.
Merge pull request #910 from dorkster/fixes

Allow translating default hero names
Rendering refactor:
* Move API related code to SDLRenderingDevice
* Wrap SDL_Surface and positioning into Sprite class
* Move all rendering to rendering device
Rename Sprite::map_pos to Sprite::dest
Remove unused prio
Merge remote-tracking branch 'remotes/upstream/master' into rendering
Define Image class
Move remaining map rendering to context
FontEngine refactoring
Make screen private member of SDLRenderDevice
Do not segfault on faulty tile ids, but warn.
Merge pull request #914 from stefanbeller/tileids

Do not segfault on faulty tile ids, but warn.
Remove unused damage and absorb variables in StatBlock

Closes #913

Note, we'll probably want to update dmg_*_min values in flare-game to
1 if we want to keep the current behavior.
Merge pull request #915 from dorkster/fixes

Remove unused damage and absorb variables in StatBlock