Update Time documentation to better reflect current precision levels
Minor cleanup in convolution sub-package
Update import statements in `convolution` docs

(was moved from `nddata` to `convolution`)
Merge pull request #1570 from cdeil/convolution_cleanup

Minor cleanup in convolution sub-package
Allow input/interaction/output with Quantities (closes #751)
Remove print statements left-over from testing
Add test cases, resolve some problems that appeared
Add tests for time/quantity interaction
Also define __rtruediv__ so python3 works correctly
Add documentation for interaction of Time and TimeDelta with Quantity
Correct documentation for unresolvable links to Quantity
Rewrite of value validation with try/except to avoid python3 problem
Merge pull request #1431 from mhvk/time-accept-quantity

Allow Time input/interaction/output with Quantities (closes #751)
Merge pull request #1536 from mhvk/time-delta-doc-precision-ok

Update Time documentation to better reflect current precision levels
Fixed dimension check #1580
Fixed kernel docs to work #1581
Added list tests for 2D and 3D.
Changed subpixel test to use mode 'integrate'
Fix LaTeX and unicode representations of micron
Merge pull request #1585 from adonath/convolution_fixes_#1580_#1581

Convolution fixes #1580 #1581