BZ-10090: after avatar upload -- set new profile in sessionService

Signed-off-by: Paden <padenportillo@gmail.com>
BZ-10090: have microblog listen for changes in sessionService.publicProfile for avatar changes

Signed-off-by: Paden <padenportillo@gmail.com>
BZ-10090: this is an illusion

Signed-off-by: Paden <padenportillo@gmail.com>