check for dependencies in configure
add boost.m4
fix gcc 4.7 compile
Merge pull request #1 from shivoc/master

configure und gcc 4.7
check manually for luabind (default luabind doesn't have pkg-config files)
Merge branch 'master' of https://github.com/shivoc/Illarion-Server into testserver
fix luabind linking

add readme hints for luabind and boost
Merge branch 'master' of https://github.com/shivoc/Illarion-Server into testserver