Clear and enable ssh input after add

Currently after successfully adding SSH key the user interface is
disabled, user requires to refresh in order to add additional key.

This patch clears the SSH textarea and enables the buttons on success.

Change-Id: I990a2fee04e85d9fc10ae15396cdb3943530d641
Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
1 file changed