CLOUDSTACK-6599:
1. Adding the missing Template/Volume URLs expiration functionality
2. Improvement - While deleting the volume during expiration use rm -rf as vmware now contains directoy
3. Improvement - Use standard Answer so that the error gets logged in case deletion of expiration link didnt work fine.
4. Improvement - In case of domain change, expire the old urls

(cherry picked from commit 48ea9e0b5e87fee067b711890cd5a5d7c9079bf1)
CLOUDSTACK-6599: Add the column in Java upgrade path since 4.2 already has the extract template/volume columns

Conflicts:
	engine/schema/src/com/cloud/upgrade/dao/Upgrade430to440.java