installation: update many pypi packages

* Updates alembic to 0.6.5.

* Updates celery to 3.1.13.

* Updates Cerberus to 0.7.1 and comments that 0.7.2 will fail.

* Updates Flask-Cache to 0.13.

* Comment Flask-OAuth>=0.5 to be known to fail.

* Updates inibitset to 2.1.

* Updates msgpack-python to 0.4.

* Updates numpy to 1.8.1.

* Comments pyparsing 2.0.2 to be known to fail.

* Updates PyLD to 0.6.

* Updates raven to 5.0.0.

* Updates rdflib to 4.1.2.

* Updates reportlab to 3.1.

* Updates requests to 2.3.

* Comments SQLAlchemy-Utils >0.24 to be depending on SQLAlchemy>=0.9.3.

* Updates wtforms-alchemy to 0.12.8

* Updates WTForms-Components to 0.9.5

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>