Add asset dependencies on glyphicons images in bootstrap CSS to remove dependency error in development mode

- This change is required after merging 'sprockets_better_errors' gem.
- Specified dependency on glyphicons images in the bootstrap CSS file.
Merge pull request #215 from prathamesh-sonpatki/add_assets_dependency

Add asset dependencies on glyphicons images in bootstrap CSS to remove dependency error in development mode
Lets use Ruby 2.1
Use bundler version 1.5.1 on travis

- Travis is giving errors with Ruby 2.1
  https://travis-ci.org/codetriage/codetriage/builds/15980297
- Upgrading bundler version solves this issue https://github.com/bundler/bundler/issues/2780
Merge pull request #216 from prathamesh-sonpatki/ruby21

Lets use Ruby 2.1
CodeTriage is CodeTriage.

Rename app from `Example` to `CodeTriage`. :panda_face:
Merge pull request #218 from vipulnsward/codetriage-name

CodeTriage is CodeTriage.
debugging
foo
Heroku request id
Bump to Rails 4.0.3
Merge pull request #219 from prathamesh-sonpatki/4-0-3

Bump to Rails 4.0.3
puma!
responsive homepage
add newline
whitespace
Merge pull request #221 from iamsolankiamit/responsive-homepage

responsive homepage
Merge pull request #220 from codetriage/schneems/puma

puma!
Bump to Ruby 2.1.1
Merge pull request #222 from prathamesh-sonpatki/2-1-1

Bump to Ruby 2.1.1