Fix unindent when deleting indent
Fix unindent when deleting indent

STRd6/firepad,missive/firepad,dipankar08/firepad,murugespandian/firepad,STRd6/firepad,shadowcodex/firepad-rethinkdb,nagyistoce/firebase-firepad,nagyistoce/firebase-firepad,JudeMartin/firepad,JudeMartin/firepad,woutie012006/firepad,dipankar08/firepad,gching/firepad,gching/firepad,kofifus/firepad,abhishekgahlot/firepad,abhishekgahlot/firepad,dipankar08/firepad,shadowcodex/firepad-rethinkdb,missive/firepad,Unrestricted-Coding/firepad-rethinkdb,JudeMartin/firepad,kofifus/firepad,murugespandian/firepad,woutie012006/firepad,Unrestricted-Coding/firepad-rethinkdb,STRd6/firepad