- Parsing propagators and limiters
- Experimental support for chaining limiters
- Added missing abilities, propagators and limiters to artifacts
- Sketch of Calculator for bonuses, ignore it for now

git-svn-id: https://vcmi.svn.sourceforge.net/svnroot/vcmi/trunk@3098 4dfc6b2a-8b31-0410-aa91-d6c70e3ac834