Fixed the timeline processing to deal with the new TOT timelines that use different clocks for network and timeline events (more fixes will likely be needed).
Updated the embedded timeline code to the latest trunk code
Tweaked the gzip fetching logic to decline any requests for the testinfo and to handle json generically.
Speed up dev tools parsing by optimizing checking for cells in multidimensional arrays.
Added an embedded Chrome trace viewer
Merge pull request #241 from geening/master

Speed up dev tools parsing by optimizing checking for cells in multidime...
Added a cache for the processed dev tools requests and page data so we don't keep re-processing the large dev tools files.
Broke out the dev tools cache files into separate files to keep them small
Tweaked the gzip read code to use dynamic buffer sizes to balance memory use and performance.
Added support for capturing Chrome Traces from wptdriver
wptdriver 176