Avatar::init: remove hero_cooldown resizing

It's overwritten later on with a newly constructed vector:
	stats.hero_cooldown = vector<int>(POWER_COUNT, 0);

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Move cooldown from statblocks to Avatar

We only need it in Avatar, so move it there.

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Merge pull request #789 from stefanbeller/powerlimit

Remove power limit and move hero_cooldown to Avatar
MapRenderer: Fix memory leak

The collision layer was not deleted properly when removed from the map
layers.

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>
Merge branch 'master' of git://github.com/clintbellanger/flare-engine into powerlimit
Merge pull request #790 from stefanbeller/memoryleak

Fix memleak in MapRenderer
ItemManager: Remove unused constant

It is obsolete since 83a2ad11d6
(2012-08-15, Item: replace arrays by vector.)

Signed-off-by: Stefan Beller <stefanbeller@googlemail.com>