Merge pull request #350 from rhattersley/wrap-linear

Basic support for varying longitude ranges.
Various small documentation fixes + style improvements.
Merge pull request #261 from pp-mo/old_doc_changes_1_oks

Changes from PR.212 -- those already ok-ed.
Refactored is_x boolean methods in unit module.
Added missing blank lines after sphinx directives.
Merge pull request #362 from rockdoc/units_is_x

Refactored is_x boolean methods in unit module.
re-formatting
Modified cube.summary() to handle unicode cube attributes.
lbmin ppsave bugfix, closes #277
Merge pull request #361 from esc24/unicode_attr

Modified cube.summary() to handle unicode cube attributes.
Merge pull request #370 from esc24/doc_tweaks

Added missing blank lines after sphinx directives.
Attempt to fix pep8 issues in cube.py. long lines in code example docstrings remain.
Merge pull request #373 from cpelley/saveloadpp_bugfix

Bug fix of pp saving, closses #277
Merge pull request #374 from cpelley/reformat

NetCDF PEP8 fixes.
Fix to extract_by_trajectory() docstring indentation.
Merge pull request #371 from esc24/cube_pep8

PEP8 improvements to iris.cube
Merge pull request #368 from bjlittle/monet

NetCDF CF profile support.
pep8 coords
flaked cube
Merge pull request #381 from cpelley/refactor_coords

PEP8 Changes to iris.coords