Remove footer from Profile page

Signed-off-by: Jonathan Tan <jhow.tan@gmail.com>
Change text label for navigating to application

Signed-off-by: Jonathan Tan <jhow.tan@gmail.com>
Provision for Help button on My Polls page

Signed-off-by: Jonathan Tan <jhow.tan@gmail.com>
Add Welcome text message on navbar

Signed-off-by: Jonathan Tan <jhow.tan@gmail.com>