Fixed AI trying to realize incorrect goals, which could lead to crash

git-svn-id: https://vcmi.svn.sourceforge.net/svnroot/vcmi/trunk@3228 4dfc6b2a-8b31-0410-aa91-d6c70e3ac834
* MSVC compilation fixes
* campaign epilogues and minor fixes

git-svn-id: https://vcmi.svn.sourceforge.net/svnroot/vcmi/trunk@3229 4dfc6b2a-8b31-0410-aa91-d6c70e3ac834