Inspect 7.x-2.2

New features
------------
Backend (PHP)
 * Profiler now substracts estimated own time from calculations.
 * Profiler now compares againts total request time, calculates truncated means and finds longest/shortest interval.
 * Changed parameters of inspect_profile()/InspectProfile::event(), and an error is logged when incompatible argument value detected.
 * inspect_init() now sets constant MODULE_INSPECT_REQUEST_TIME_MILLI (~ request time start, in milliseconds).

Bug fixes
---------
None.
