Added specialist icons

Icons by GriffonSpade, spec changes by me

See patch #4422


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24139 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Cleaned out CPPFLAGS related to irrelevant dependencies from Makefile.ams

See patch #4423


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24142 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Fixed compile with --disable-nls

See bug #21454


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24144 a0f10bec-cc02-0410-94fc-a9cfff90b4cd