OS-1895 fix problems updating tmpfs when tmpfs size not specified at create time.
OS-1881 force max_swap to always be >= 256M
OS-1864 don't accept invalid IP addresses.
OS-1900 fix dtrace-provider.js so correct binding is loaded.
OS-1902 fix problems with transition provisioning -> running when using nowait: true
OS-1900 add test to ensure dtrace-provider keeps working correctly.
OS-1903 add support for tracing timers in vmadmd.