Add time series of active instances for each tracked class
Store templates/js/css in package data
Move templates
Adapt MANIFEST
Fix serving static files
Merge branch 'class_time_series' into develop
Upgrade Highcharts, jQuery, add jquery.sparkline
Add instance count sparkline
Add sparkline to memory panel (WIP)
Show sparkline (WIP)
Add test for sizing closures
Follow referents of cell objects (closures)

By Craig Silverstein

https://github.com/pympler/pympler/issues/8
Drop Python 2.2 support
Fix closure sizing in Python 3.x
Remove Python 2.5 from CI config; run tests before checking PEP8
Remove tests from asizeof module & pep8
Fix test after changing class name display
Remove pychecker integration
Merge branch 'develop'
Fix sparkline display when toggling the memory panel