travis: need to fetch tags from upstream to get correct version string on forks that dont have all tag information pushed to them
quakeml: bugfix in magnitude xml output

evaluation_mode was missing in output
git test case if matplotlib is missing
Adding https://coveralls.io/ service hook
Update README.md
Update .travis.yml
skipIf takes two parameters
Update .travis.yml
skip network tests and combine coverage and obspy-runtests

network tests take ages :/
tiny pep8 fixes to trigger coverage run
Merge branch 'master' of https://github.com/obspy/obspy
adding file RELEASE-VERSION in setup.py

- this was broken by merging #431
- temporary resolve for #573
travis: coverage/coveralls interaction

most work by @barsch, thanks! replaces and closes #574.
README: coverage status badge from coveralls
debian: avoid possibly wrong umask for RELEASE-VERSION which is written during packaging
debian: fix determination of version number
debian: create .changes files during packaging too
debian: updating apt-repo dists template
debian: short script for signing all built packages using their .changes
files (updates checksums in .changes files)
Merge remote-tracking branch 'upstream/master' into polynomial_correction