Upgrade to bootstrap 3

* Upgraded bootstrap to version 3
* Changed layouts and menu to use bootstrap 3 styles
* Updated client index to use bootstrap 3 styles
[ClientBundle] Updated client view to use bootstrap 3
[ClientBundle] Fix invalid named arguments
[ClientBundle] Updated client add to use bootstrap 3
[ClientBundle] Updated translations and bs3 styles
[QuoteBundle] Updated quotes to use Bootstrap 3
[CoreBundle] Updated money and percentage field to use Bootstrap 3
[InvoiceBundle] Updated invoices to use Bootstrap 3
Merge branch 'bootstrap3' (fixes #2)
Fixed CS