Updated Tileset Demo scenario to 2.5 savegame format

See patch #4120


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24223 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Added command line version of modpack installer.

See patch #4436


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24225 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Do not try to use uninitialized announcements socket when announcements have
been disabled with "-A none" commandline option.

See bug #21527


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24227 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Send information about the achievements player has to the client.

Requested by Jacob Nevins <jtn>

See bug #21441


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24231 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Added possibility to change tech requirements to freeciv-ruledit.

See patch #4441


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24232 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Fix assertion failures when quitting server or removing player in
pregame with scenario loaded.

Reported by Marko Lindqvist (cazfi@gna).

See gna bug #21524.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24237 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Update svn:ignore for freeciv-mp-cli, recent ruledit additions,
freeciv-nations.pot.


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24238 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Update svn:ignore for freeciv-ruledit.pot.


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@24239 a0f10bec-cc02-0410-94fc-a9cfff90b4cd