Python trove classifiers.

Technically I think we'd only need Python 2 and 3. I'm leaving the
parent for clarity (users). Also, as suggested by George Hickman, I'm
adding the versions we are actively testing.
fixing typo in features docs

 - resolves https://github.com/nicolaiarocci/eve/issues/276
Fix minor typo in an error message
Merge pull request #281 from ento/fix-schema-validation-error-message

Fix minor typo in an error message
Marica Odagaki
Merge branch 'typofix' of github.com:heckj/eve into heckj-typofix

Conflicts:
	AUTHORS
Merge branch 'heckj-typofix' into develop
MarkupSafe 0.19
Closes mongodb connections in tests

Before, for each app the connection was kept open. This could cause
problems if the server wasn't configure to support as many connections
as testss.
Javier Gonel
ulimit not needed anymore. See #283.
No need to increase ulimit on most systems.
Merge branch 'graffic-tests-mongodb-connections' into develop
rst/sphinx header
Merge branch 'develop' into versioning