This is a refactor of the SpriteBatcher where more than 16383 batch items are supported.
#1241 and #1520 are included in this commit.
name change to the capacity method and fix on the test for the capacity resize.
Merge pull request #1522 from totallyeviljake/ISSUE_1241_R1

Fix for #1241 - more than 16383 batch items
Merge branch 'develop' of https://github.com/mono/MonoGame into develop