Have gui_input_icon depend on gui_input_nick in prefs
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closes #579
add pkgconfig file to gitignore
CONFIGURE: fix undefined reference to `g_type_init'

These two assignments have no place here and will overwrite the
previous COMMON_LIBS="$COMMON_LIBS -lgmodule-2.0 -lgobject-2.0".
This can lead to build failure during linking stage depending on
the chosen configure options.
Fix server tab changing color when active
Merge pull request #580 from hasufell/master

Build failure: fix undefined reference to `g_type_init'