1.5a3.rev4

bootstrap.js
* Forgot to mention that in previous commit, in the top comment block I added all the contributors

install.rdf
* Up revved to 1.5a3
* Increase max FF version to 31.* as thats what I tested it in
* Added myself to the contributor tag
* Added emails for Jerone and Zulkarnain K. and myself to match with diego