new WildBag that let's the user set the size of the bag. unsafe. brings speed improvements when iterating over bag data while deleting iterated contents in the same loop.
Merge pull request #13 from lopho/wildbag

new WildBag that let's the user set the size of the bag.
Intercept removed entities in #removeFromSystem.

Since removal can happend for a variety of reasons. Also, Share single WildBag for all EntitySystems.
Deprecated util classes.
Added bag test.
Update README.md
Added issueManagement to pom.