[FIX] Fixing dox tests to run with Python nosetests.

Also, integrating into travis builds.
Merge branch 'master' into develop
Merge branch 'hotfix/dox_nosetests' into develop

Conflicts:
	.travis.yml
	CMakeLists.txt
[FIX] Fixing dox to work with nosetests.
[FIX] Requiring python-jinja2 for master as well (dox tests).
Merge branch 'hotfix/dox_nosetests' into fix/dox_notestests

Conflicts:
	.travis.yml
Merge branch 'fix/dox_notestests' of github.com:holtgrewe/seqan into develop