tab layout implementation

difficult to make it easier..

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
code parameter plugin

integrate the great ace text editor as a plugin.
As ace is 3MB, it is better to include it as a plugin.
This also demonstrate how to implement custom parameters as a plugin

Signed-off-by: Pierre Tardy <pierre.tardy@intel.com>
switch to angular 1.2

misc polishment