bower: update bower.json acc to the spec

Bower uses git tags and ignores the `version` field.
See https://github.com/bower/bower.json-spec#version
Also according to the same spec, minified files shouldn't be included to `main`.
Merge pull request #263 from thorn0/patch-1

bower: update bower.json acc to the spec
Some fixes.
Stable Version 1.5.3.