changing setup.py to be pip installable
Fix versions for a few packages and qiime->QIIME
Remove installation information from README.md
Add INSTALL.md with installation instructions
Change QiiTa to Qiita
Add first version of MANIFEST.in

Fix #19
Add suggestions from @teravest and @antgonza
Change QIIME to Qiita
Add mention about python 2.7 and 3.2
Merge pull request #23 from ElDeveloper/issue19

Update setup.py - Issue19