Merge branch 'trunk' of https://github.com/the-virtual-brain/tvb-library into trunk

git-svn-id: https://repo.thevirtualbrain.org/svn/tvb/trunk/scientific_library@6431 1c0e02f0-7929-43c0-8fb3-3293bf43b0d1
Merge pull request #29 from quiuquio/tsv_vis

Tsv visTime series vis + volume time series vis [preview] - library

git-svn-id: https://repo.thevirtualbrain.org/svn/tvb/trunk/scientific_library@6432 1c0e02f0-7929-43c0-8fb3-3293bf43b0d1
Small code review:
- replace raise Exception with raise ValidationException
- pep8 comments

git-svn-id: https://repo.thevirtualbrain.org/svn/tvb/trunk/scientific_library@6467 1c0e02f0-7929-43c0-8fb3-3293bf43b0d1
Merge branch 'trunk' of https://github.com/the-virtual-brain/tvb-library into trunk