Merge pull request #119 from kwilcox/master

Always register known namespaces. Warn if etree version is unsupported.
update release version
back to dev
Add a tox config.  Helps testing against all of the python/lxml configs.

Also started running tests against doctests in *.py files, which I didn't
realize was turned off!  Fixed the few that existed so they passed.
Merge pull request #120 from kwilcox/tox

Add a tox config.  Helps testing against all of the python/lxml configs.
Adds new method to the Output class in the WPS module to write individual outputs to disk.
Refactored method to retrieve output data from server-side reference.
Add convenience function for getting operations by name (#122)
Merge pull request #123 from tomkralidis/getoperationbyname

Add convenience function for getting operations by name (#122)
make case insensitive to be safe
Update csw.py
WCS title should map to label, not name
fix test
Fix xpath for selecting gmd:thesaurusName

gmd:thesaurusName is inside gmd:MD_Keywords (see tests/resources/9250AA67-F3AC-6C12-0CB9-0662231AA181_iso.xml)
Merge pull request #126 from menegon/patch-1

Fix xpath for selecting gmd:thesaurusName
do not trigger travis when publishing docs
Merge pull request #121 from ldesousa/master

Adds new method to the Output class in the WPS module to write individua...
CSW responses should maintain order (#125)
add 2.6 specific pip install (thanks @Jc2k)
test for < 2.7 (#125)