Merge pull request #17 from emiliom/master

Relaxed version requirements in requirements.txt
Attempt Travis CI integration
More TravisCI attempt (dev packages on ubuntu)
Get real specific for Ubuntu 12.04
Fixed all tests, requires git OWSLib for now
Add Travis-CI status to readme
Revert git OWSLib requirement for now, fixes #18
Add flowdock notification from travis
Does this make travis work?
Update README.md
Fix feature type detection in Ioos GetObservation
Fix horizontal typo
IOOS TimeSeries may not have a z/height
Fix order bug in sPoint constructor
Feature type checking made more flexible
Set IoosSweSos's collect responseFormat kwarg smartly based on GetCaps
Safer parsing of Crs for IOOS TimeSeries