Merge branch 'hotfix/2.2.1-colorbar_midpoint'
Started writing a contributor's guide with bug reporting information and added it to the Shinx documentation. closes #3.
Corrected the links in the bug reporting FAQ to point to the contributor's guide. closes #3.
Updated FAQ question about "GIS-friendly" data formats to reflect the available Arc ASCII grid format.
Added a FAQ question about getting support
Updated the release notes and added some links to the support question in the FAQ
Merge branch 'hotfix/2.2.2-user_manual' into dev

Conflicts:
	NEWS.rst
	setup.py