Added basic front-end model for quota
Quota CSS styling
Merge pull request #268 from jcoufal/quotas

Quotas styling
updated provider_model methods to return nil if provider_model doesn't exist
added missing requires
base quota models implementation
mock quotas implementation
openstack quotas implementation
updated gettext files with quota text
updated quota partial to pull data from quota model
updated quotas to be set as before filter in applications controller, rather then quotas loaded from view using helper method
replaced indicator's before pseudo element with gauge div, so the width is possible to be set,
defined usage_percentage method to quota
Merge pull request #274 from jtomasek/quotas

Quotas - percentage gauge
ensured load_quotas is not called during login
added global indicator
Merge pull request #275 from tzumainn/quotas

Added global indicator for quotas
Merge branch 'quotas' into 'master'

Resolved conflicts:
	app/models/quota.rb
Merge pull request #276 from jtomasek/quotas_merge

Quotas merge