System app - Issue #7

Fix for this issue in the System app
Privileges Get method optimization

Component is required, no need to check for it anymore.
Roles bug fix - Issue #8

Simple fix, remove the key from the array and continue the loop.

The problem appeared when a user inherited or was assigned a Role that
inherited the same Role more than once, it created an infinite loop in
this method.
Deprecate use of 1 as an admin scope

The scope should be ALL, 1 is now deprecated and will be dropped from
the privilege mask in the future.
Dashboard bug fix - undefined index

'email' was being flagged as undefined if PHP Strict mode is enabled.