Bug 793920 - (Part 1) Move majority of Android reader mode code to a shared place in /toolkit. r=Mossop,bnicholson

--HG--
rename : mobile/android/chrome/content/JSDOMParser.js => toolkit/components/reader/content/JSDOMParser.js
rename : mobile/android/chrome/content/Readability.js => toolkit/components/reader/content/Readability.js
rename : mobile/android/chrome/content/aboutReader.html => toolkit/components/reader/content/aboutReader.html
rename : mobile/android/chrome/content/aboutReader.js => toolkit/components/reader/content/aboutReader.js
rename : mobile/android/chrome/content/readerWorker.js => toolkit/components/reader/content/readerWorker.js
rename : mobile/android/locales/en-US/chrome/aboutReader.properties => toolkit/locales/en-US/chrome/global/aboutReader.properties
extra : rebase_source : f0b900c46bb5dc894303ddf3701be7b019b61ae0
extra : histedit_source : 7417d0e4032ed3a3b1ab83af8f7e8a92951fdead
Bug 793920 - (Part 2) Split up Reader.js to create shared ReaderMode.jsm in /toolkit. r=bnicholson

--HG--
rename : mobile/android/chrome/content/Reader.js => toolkit/components/reader/ReaderMode.jsm
extra : rebase_source : 5f66c449c50135d53644ebc507357ab560938bc7
extra : histedit_source : 53ad05bc9a30977399627c13f07971d7f7250814