Add CreativeCommons logo

Was missing before, so there was a blank spot in posts.
Actually concatenate SVGS to combined.svg

I wrote the handler and checks to ensure that it would work, but forgot
to call the function.
Updated icons

+ Creative Commons logo
Merge branch 'feature/31'
Import minor updates

+ Specify extension on config files
+ Show Repository on Git commits
+ Support increment method in handleJSON()