remove 5.4 syntax

Fixes barryvdh#240

Update vendors

Update font-awesome to 4.2 and use the named vendors.

Tweak order

Fixes barryvdh#227

Copy ValueExporter to this package for 4.0 compat

See barryvdh#225
Symfony 2.3 doesn't have this yet, copy it here for now.

Remove unneeded check

Now we are on 1.10.x

Escape query bindings

Fixes barryvdh#198

Update changelog

Reflash all debugbar requests

Update changelog

Update changelog