mission compiler now checks if we are not asking several guild
members to complete an objective whereas the mission is not a
guild mission.
It also generates the 'nb_guild_members_needed' parameter for
objectives in the script.
--HG--
branch : gsoc2011-guildmissions
- Adding new actions for guild missions
- Adding the guild option for some actions
- Adding the nb_guild_members_needed option for the objectives
--HG--
branch : gsoc2011-guildmissions