Fixed grumpy cat handler

Previously for input "grumpy cat text1, text2" the meme would return "grumpy cat / text1". It now returns "text1 / text2" - although the original hubot script puts 'grumpy cat' at the top, no real grumpy cat meme behaves this way.

Also fixed indentation on one line.
Updated version number
Merge pull request #2 from prodigiouspenguin/master

Fixed grumpy cat command