updated versions
Update RELEASE_CHECKLIST.org
increase search_radius_multiplier #306

Changed the default value to 2.0. Docs changed.
Merge branch 'next' of https://github.com/NCPP/ocgis into next
variable autodiscover failing with improper dimension tuple length #307

Converted appropriate KeyErrors into DimensionNotFound exceptions
for variable autodiscovery.
minor
minor
add sum function #308

Added numpy sum function to function library.
doc changes
added numpy interface example
compute does not appropriately handle callback #311

Using a fix provided by Maarten, have compute properly adjust the
callback messages to account for tiling.
shapefile iterator may also yield spatial dimension objects #305

Spatial dimension objects are now used throughout the code including
in the subset module. Many of the external functionalities (i.e.
rotated pole management, wrapping/unwrapping) are now attached to
the spatial dimension. The subset module has undergone a considerable
refactor.
code formatting
seasonal aggregations should return properly sorted time arrays #315

Seasonal aggregations using the 'year' flag no are sorted chornologically.
Merge branch 'next' into tatarinova-master

Conflicts:
	setup.py
	src/ocgis/__init__.py
	src/ocgis/calc/library/index/dynamic_kernel_percentile.py
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