Bug #3379 - Update npm modules
Bug #3319 - Switch to nconf for configuration
No Bug - npm-shrinkwrap doesn't exist anymore
No Bug - Revert minimum nodejs version
No Bug - config/ doesn't exist anymore
No Bug - Add missing semicolon
No Bug - Don't stomp on the config variable
[t3198] Abstract slider control used in Sequencer editor to something any custom editor can use