#498 - Initial creation of CONTRIBUTING.md
First cut of CONTRIBUTING.md
#498 - Specifically reference community resources, fix spacing
Update CONTRIBUTING.md

Made a few updates.
#498 - Fix typos and header consistency in CONTRIBUTING
#498 - Update CONTRIBUTING with Eclipse style guide and some general formatting
Remove redundancy between CONTRIBUTING and README
Merge pull request #498 from BroadleafCommerce/contributing

Create a CONTRIBUTING.md for Broadleaf