Remove PHP4-style constructors, to avoid strict warnings in PHP5

git-svn-id: https://plugins.svn.wordpress.org/vaultpress/trunk@785672 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update to version 1.4.9, add thingalon to contributor list

git-svn-id: https://plugins.svn.wordpress.org/vaultpress/trunk@785707 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update the compatibility version.


git-svn-id: https://plugins.svn.wordpress.org/vaultpress/trunk@787455 b8457f37-d9ea-0310-8a92-e5e31aec5664