Merge pull request #8 from abo-abo/master

Fix font-lock faces.
Mastering v1.0.2
Merge pull request #9 from abo-abo/master

Add `inferior-j-mode'
Merge pull request #10 from abo-abo/master

Updates to the J vocabulary lists.
 - Addition of Grade Down / Sort Down to font-lock and help doc
 - Proper regex for Suffix / Outfix
 - Addition of Factorial / Outof, Under, Fit / Customize to help doc
Updating copyright dates
Mastering 1.1.0
 - Updates to grammar handling
 - New inferior mode added
 - Updates to commend handling
j-help.el: Fix `lexical-binding' for Emacs24