Bumped version
Use version 1.0.2 of pools package
Use the new add_process method of pools package
Add parameter for color to scatter plot
Default logging level is now info
Merge branch 'origin/dev'
Added function to lower process priority
Trivial change to how values are added to a histogram.  Solution is more pythonic.  It could be faster if nornir_shared takes a dependency on numpy.
Merge branch 'dev'

Conflicts:
	nornir_shared/misc.py
Merge pull request #1 from jamesra/master

Minor bug fixes