Changed obspy array analysis to a more general method based on covariance estimation. Tried to speed up by use of Cython.
arclink: except case of no paz returned

in http://tests.obspy.org/?id=2582 the "paz" dictionary is missing from
the returned inventory, raise with a meaningful message.
arclink: avoid copying data in memory

no need to deepcopy the data in memory here, as long as the
start/endtimes in the entries do not overlap any piece of data will only
be referenced in one trace since the original unsplit trace is removed
from the resulting stream afterwards.
removing unneeded import statment
Merge branch 'master' of https://github.com/obspy/obspy
Use super in the event_object.clear() method.

Also extended the test case and one or two PEP8 changes. Related to #449
also that issue was already fixed.
Merge branch 'flinn-engdahl' of https://github.com/fabienengels/obspy into fabienengels-flinn-engdahl
Merge branch 'fabienengels-flinn-engdahl'
Removing superfluous if/else conditional.

Fixes #429. Also added an extra test. Also some PEP8 fixes.
fixes failing arclink test
Merge pull request #457 from fabienengels/master

Update .gitignore (dist and .DS_Store)
Merge branch 'master' of https://github.com/obspy/obspy
adding Travis CI support
correcting MANIFEST.in
Enforce proper hostname for Travis CI
Adding Travis build status to readme
- fixes #459
extending tests for #459
deb: safer exiting of schroot session + new ubuntu
deb packaging: workaround for quantal