Author: Eloy Lafuente (stronk7)
MDL-39733 xhprof: implement import of runs
http://git.moodle.org/gw?p=moodle.git;a=commit;h=2e746b72beedd340550e4f176f5aa1cd55305e72
http://github.com/moodle/moodle/commit/2e746b72beedd340550e4f176f5aa1cd55305e72
+ 2.6 en [importprefix,tool_profiling]
+ 2.6 en [profilingimportprefix,core_admin]
+ 2.6 en [profilingimportprefix_desc,core_admin]