Added new aws regions

Canada, London and Mumbai are now in the dropdown

Update for NodeBB 1.5

v0.3.14

Bug Fix

v0.3.13

Bug Fix

v0.3.12

Bug fix

Fix for issue where users with installs in subfolders could not update settings in the admin area.

Bug Fix

hard coded wither http or https into the s3 file url as the // style urls were causing some issues.

Bug Fix

Updated the s3 url path to AWS's newer style this only affected users not using the default bucket location

Max filesize limits

the plugin now respects the nodebb max filesize setting thanks to zombiefredrik