Dropped the special optimized version of md5 code for some platforms where alignment would
cause no problems. This fixes clang warning about how that optimized version would be unportable
to other platforms.

Reported by David Lowe <doctorjlowe>

See bug #18872


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25082 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Reverted part of patch #4763 causing assert failures.

Reported by Jacob Nevins <jtn>

See patch #4763


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25085 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Combat mood is active when there's less than 10 turns since last "war action".
War actions are declaration of war and actual combat.

See patch #4612


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25086 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Added mode to save individual nations to nations.ruleset instead of just
including nationlist. Also support including nationlists other than
"default/nationlist.ruleset". 

See patch #4776


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25087 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Added script to print translation percentages from all domains.

See patch #4778


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25088 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Mention Animals in ruleset loading error message listing legal barbarian types

See patch #4777


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25090 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Added sanity checking for Action Enabler requirements, both on ruleset loading
and ruledit checking if something depends on universal.

See patch #4775


git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25091 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Remove mention of "/debug player" command, which hasn't existed since
2005 (r9497).

See gna bug #22150.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25092 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Adding missing item comments to units.ruleset, plus general cleanup.

See gna bug #22153.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25093 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Update ruleset comments for move_fragments, plus generally clarify which
items use whole / fractional MP.

See gna bug #22151.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25094 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Document initial population of cities built by units.

See gna bug #22152.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25095 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Document embark/disembark restrictions and exceptions in autogenerated
unit help.

See gna bug #22143.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25096 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Rename AirUnit user flag to AirAttacker in supplied rulesets.
Remove it from AWACS to avoid spurious comments in help.

See gna bug #22155.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25097 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Rework 'techlossforgiveness' and 'techlossrestore' help.
They no longer contradict each other.

See gna bug #22098.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25098 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Fix various small icons that were offset by one pixel in r23178.

See gna bug #22157.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25099 a0f10bec-cc02-0410-94fc-a9cfff90b4cd
Modify hex2t and isophex darkness sprites to cover whole tile, mainly as
an example of how to do it.
No visible effect (would have to set darkness_layer=1).

See gna patch #4657.

git-svn-id: svn://svn.gna.org/svn/freeciv/trunk@25100 a0f10bec-cc02-0410-94fc-a9cfff90b4cd