Adding new Collection pager adapter and tests

Needed this paginator adapter when dealing with a collection that isn't
a paged collection.  Added tests for both paginator adapters.
Adding travis-ci config
adding self-update

Shouldn't travis do this for us? :)
changing order of self update
Removing coverage-checker stuff

Was copied from DoctrineModule, not important for us here (perhaps
someday).
Adding travis badge to readme
Really adding the travis badge this time
removing test namespace from composer
Merge pull request #3 from jaydiablo/master

Adding Collection paginator adapter with tests and travis-ci integration