Javascript coding style indent 2

    In order to improve the javascript coding style an indentation of
two spaces must be used in the whole project.
    A jshint option has been added, and all the files which violate
this rule have been corrected.
    In addition, some code style corrections have been made.

Implements: blueprint jshint-codestyle
Change-Id: Ic6428e77a06fd33b1c1298569fc01860c3e28690
Javascript force use of the identity operator

    In order to reduce possible bugs in our scripts the use of identity
operator must be mandatory over the equality operator. This rule force
developers to use the '===' and '!==' instead of '==' and '!='.

Change-Id: I1069ed2baed7bce305fce80d688a5a2c10249148
Implements: blueprint jshint-codestyle
Merge "Javascript coding style indent 2"
Merge "Javascript force use of the identity operator"