bower: silog.js inclusion

* Add source such that the map works.

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
grunt: external .jshintrc file

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
README: BitDeli removal

* GitHub now provides analytics and BitDeli is disrupted:
blog.bitdeli.com/post/77717727361/on-githubs-image-proxy

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>
v3.0.4 release preparation

Signed-off-by: Adrian-Tudor Panescu <adrian@panescu.com>