[Resource Timing] Spec updates per 3/30 meeting

The Resource Timing specification, http://dvcs.w3.org/hg/webperf/raw-file/tip/specs/ResourceTiming/Overview.html, has been updated per the following action items:

*         [NEW] ACTION: Jatinder to add examples to Section 4.2. [recorded in http://www.w3.org/2011/03/30-webperf-minutes.html#action02]

*         [NEW] ACTION: Jatinder update Section 4.5 to make it clear when http header is not included. [recorded in http://www.w3.org/2011/03/30-webperf-minutes.html#action03]

*         Updates based on Sigborn Vik's feedback on http://lists.w3.org/Archives/Public/public-web-perf/2011Mar/0119.html

The changes made to the spec were as so:

*         Updated RESOURCE_* to INITIATOR_*

*         Added INITIATOR_SVG

*         Added examples to section 4.2.

*         Updated section 4.2 to include a recommended maximum limit that can be changed by the user agent

*         Updated Section 4.5 per Action 03 (http://www.w3.org/2011/03/30-webperf-minutes.html#action03]

*         Definition of url, id, type attributes improved.

*         secureConnectionStart attribute added

*         updated definitions of clearResourceTiming, setResourceTimingBufferSize and onbufferfull to specify that the 1000 limit can be changed by user agent.

Thanks,
Jatinder