Fix setup for PIP <= 1.1 #194
Fixed bug #194 to support older versions of PIP.
Guidance came from nimbis/cmsplugin-newsplus@45e9245405ae96cb60bc97af7eb7f745d5628678
Merge pull request #195 from shermdog/194

Fix setup for PIP <= 1.1 #194
Update version.py to 0.1.2
Merge pull request #196 from shermdog/master

Added OS X INSTALL and updated README