Bug 17402 Enhance the actions button on serials-search.pl

Bug 17402 Enhance the actions button on serials-search.pl

Test plan:
1) Apply the patch
2) Go to serials home page
3) Search for a subscription
4) Ensure you have permission to receive serials
5) In the most right column of table you should see "Receive serial" button with
   caret button, that should work as trigger form dropdown menu with other options
6) Ensure that all actions work as expected
7) Login with user without permission to receive serials
8) repeat 2-3
9) In the most right column of table you should see normal dropdown mane with label "Actions" and all applicable options
10) Ensure that all actions work as expected

Signed-off-by: Jesse Maseto <jesse@bywatersolutions.com>
Signed-off-by: Katrin Fischer  <katrin.fischer@bsz-bw.de>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>