persisting button icon state bug fix (re #54)
fixes #101
extraOptions added to recommend addon (re #64, re #88)
all explanation messages (except blushy sites) added (re #64, re#88)
Merge pull request #103 from raymak/b88explainedArm

B88explained arm
Fix #72, blushproof for ADULT URLS ONLY

- if we want to do other cagegories, add them in actions.js