temp commit
Merge branch 'master' into ajsci

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
started writing filter
fixed a typo in tsyganenko
fixed azimuth calculation in pygridlib
Added isr module
Added mho i/o module to gme
clean-up some undesired files
stopped tracking sphinx documentation
updated documentation and cleaned up utils module
more documentation improvements in models module
more clean-up
moved code out of __init__.py for radar module
upadated all notebooks to make them more presentable. Also fixed multiple small bugs
Update README.md

added a note on the basemap version requirements
minor style correction on models notebook
Merge branch 'master' of https://github.com/vtsuperdarn/davitpy
minor style change in notebook (again)
pygrid no longer makes empty files
Merge branch 'master' into ajsci

Conflicts:
	models/aacgm/setup.py
	pydarn/plot/printRec.py