Removed unnecessary opens
Added two case missing in the pattern matching
Fixed Bulding constructor
Re added PrioQueue in main for doc (sorry)
add spawning buildings
fix dummy generation (il ne pouvais pas placer les ports sur une map de plaine...)
Merge pull request #180 from GL-MPRI-2014/generation

Generation
Added X button for next playable

First answer to #178
X button is worth pressed several times

At least for units.
Improvement in #178
Now working next/pred buttons

Closes #178?
Merge branch 'master' into updates