New UI release (Tifa Lockhart)

• Preparations for "credit vouchers"
• Changes to probe application procedures related to size of ASN of the host's network
• Include RTTs and packet loss values in various map popups
• Various minor bugfixes in time travel maps
• Fixed a bug where prefix searches did not supply "more specific" results in probe and measurement APIs
• Added a measurement interval "spread control" feature to the measurement forms
• Lots of internal changes to keep up with version changes of the underlying web framework