removed workaround to multiple coordinates been present when plotting.
name traj load
Merge pull request #588 from dannymet97/tec_cleanup

Removed workaround to multiple coordinates being present when plotting.
Merge pull request #579 from bblay/trajload

name trajectory loading
Consistant title
Merge pull request #594 from dannymet97/doc_change

Consistant section title and typo correction.
PEP8 fix.

Issue only noticed by PEP8 v1.4.6.
Merge pull request #597 from ajdawson/pep8-cartography-fix

Simple PEP8 fix.
Corrected filtered values in SOI example.

It is necessary to multiply the weighted rolling window by the sum
of the filter weights to get the correct values.
Adds Polar Stereo example code
Merge pull request #601 from dannymet97/polar_stereo

Added Polar stereographic plot
Added missing in_place keywords in analysis.math
Merge pull request #602 from dannymet97/in_place

Added missing in_place keywords in analysis.math
Merge pull request #578 from ajdawson/fix-filter-example

Corrected filtered values in SOI example.
MAINT: Optimise constructing ordered metadata

Currently cell objects comparisons are made which have much greater
expense to native python datatypes (tuples) when thousands of 'fields'
are concerned.  This commit switches to using standard tuples, resulting
in 50% gains in speed over the code segment.
simpler modifications