Fix some misleading/wrong docstrings
Introduce model fro OS-dependent path maps
Fix tags API: Suppress unpacking path maps

There is no unpacking code for path maps yet; trying to unpack them will
fail.
Add API for path maps schema and index
Add admin view for path maps
Merge pull request #178 from guidow/docstring_fixes

Fix some misleading/wrong docstrings
Minor style fixes
Log creation of new path map
Implement single path map API

Still lacking DELETE endpoint
Fix a few mistakes in docstrings
Style fix: double newline before class
Fix get on single pathmap: Transparent tags
Implement DELETE for single path maps
Switch a few remaining test to using UTC time
Add some tests for pathmap API

Not yet complete
Merge pull request #180 from guidow/utc_in_tests

Switch a few remaining test to using UTC time
Suppress tag_id in output after pathmap update

That column is supposed to be transparently replaced with tag.
Complete tests for pathmaps api
Fix PY2 bug: Don't use reserved name "type"
Newline at file end

[ci skip]