Fixing license headers within the tools/ngui folder
More license header fixes for tools/ngui
CLOUDSTACK-3139 - If management server doesn't have internet connection RegisterTemplate and UploadVolume will fail when CS tries to verify if the account has exceeded its secondary storage limit.
No change in behavior if management server has internet connection.
Now if management server doesn't have internet connection download process will not fail. But CS will noly check if the account has already reached or maxed its limits instead of checking if the limit will be breached with the addition of the new storage
CLOUDSTACK-3168: Fix test_reboot_router.py to ssh using public IP

test_reboot_router.py was trying to ssh to vm using private IP
and hence it failed with error "No route to host."
Fixed the testcase to ssh using public IP.

Signed-off-by: Prasanna Santhanam <tsp@apache.org>