Bump Bower to latest (1.3.3)

This should address an issue affecting CI: bower/bower#1221
(see https://github.com/bower/bower/blob/master/CHANGELOG.md#133---2014-04-24)

https://www.openproject.org/work_packages/7196

Signed-off-by: Alex Coles <alex@alexbcoles.com>
fixes reposman input parsing
Merge pull request #1222 from opf/fix/reposman

fixes reposman input parsing
Fix 'uninitialized constant Uglifier', broken in e208115c

:scream_cat:

Uglifier is not available in production at run-time, only at asset
precompilation-time (hence being in the `assets` group).

Signed-off-by: Alex Coles <alex@alexbcoles.com>