add client\ dimemsion.js

Signed-off-by: arcticlion <david.malan@aol.com>
add scroll\ dimensions.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Function scrollToTop in scroll\ dimensions.js

Signed-off-by: arcticlion <david.malan@aol.com>
merge master and dev