GPII-226: added preliminary working socket io integration.
GPII-226: Some styling tweaks.
Harmonized PCP and PMT styles (hackish way...)
GPII-226: PMT's "Go to PCP" redirects to correct PCP demo.
GPII-226: Fixed styling of followingElement adjusters.
Also fixed a bug with screenReaderFollows font icons not showing.
Merge remote-tracking branch 'justin/GPII-226' into GPII-226
GPII-226: Added the inclusion of socket.io.js into pcp demo html file in the prefsEditor/ directory. Also use the GPII server at 8080 port.