[AngularJS] add dialog service

Change-Id: I8c2c198467e71967dfc72aeb141ed3488b810b30
Reviewed-on: http://review.couchbase.org/38561
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
[AngularJS] add about dialog style

Change-Id: I05faf5f7396a4d54f757670cef9bd72fe569236c
Reviewed-on: http://review.couchbase.org/38672
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
[AngularJS] merge master screen.css into angular

Change-Id: Ib3d86493349f0f06f0631b919a237b42f81aaebe
Reviewed-on: http://review.couchbase.org/38673
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
[AngularJS] merge master wizard step3 into angular

Change-Id: I0ddbf152206685db118f618822cdf801adf80341
Reviewed-on: http://review.couchbase.org/38674
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>