- fixed #1643 -> hero placeholder handling
- fixed bug when loading victory/loss conditions of the 3rd scenario in the first ROE campaign
- fixed bug when loading artifacts to hero of the 3rd scenario in the first ROE campaign (due to corrupt H3M map)
- implemented function object to quickly find a object by it's sub ID in a list
- added netbackbase.h to header list in CMake
- removed false message which said that the server loaded the map successfully

git-svn-id: http://svn.code.sf.net/p/vcmi/code/trunk/@3719 4dfc6b2a-8b31-0410-aa91-d6c70e3ac834