Implements PUT /api/resource_classes/ID to update the Flavors

This will delete all existing flavors and replace them with those in the
PUT body. Addresses https://github.com/tuskar/tuskar/issues/50
Merge pull request #92 from marios/Issue50

Implements PUT /api/resource_classes/ID to update the Flavors
created INSTALL.rst, added Contacts, fixed links
Merge pull request #96 from tzumainn/docs

created INSTALL.rst, added Contacts, fixed links
doc updates

* created docs version of wiki pages
   * old wiki pages still remain on the wiki
   * 'Home' wiki now provides a link to docs/index.rst
* updated links to go to docs/ documents
* changed 'openstack-m' references to 'tuskar'
minor doc text fixes
removed Boto doc/references
Merge pull request #97 from tzumainn/docs

documentation updates