Adding feature selector application to help download distribution with selected features as boot features

Please check README file to understand the configuration parameters

Change-Id: I5a5b82065515ee24e46f663bfa04f0676e6fd4a9
Signed-off-by: Harman Singh <harmasin@cisco.com>
(cherry picked from commit 97cf81af557eb9b10b7432c9c5ad652e7882bb56)

Change-Id: Ie62d98a48579a29e7aafebc74a63321d5587b838
Signed-off-by: Luis Gomez <ecelgp@gmail.com>
Merge "Adding feature selector application to help download distribution with selected features as boot features" into stable/helium