-- Reduced memory usage for images with margins
-- Implemented RLE compression
- Linux-related changes:
-- build system updated to include changed paths
-- new dependency: boost-program-options
-- configure option --disable-debug will produce optimized build
- Several gcc compile fixes
- Optimized CPU usage on town screens
- Removed several includes from headers
- Possible fix for #496
-- New files: hch/CAnimation.h/cpp
-- Class CAnimation capable to load file partially and/or keep data in compressed state
-- Buttons now use CAnimation instead of CDefHandler
- build system regenerated to include new files
- fixed several gcc warnings
- updated README.linux
