Interval conditioning removed from statistics

[siavoshkc]

Due to topic http://sourceforge.net/apps/phpbb/shareaza/viewtopic.php?f=5&t=610 and changes in V8 of scheduler in OnTimer(). The change in callees is required. Please commit after Scheduler. In the mean time you can set values below 100ms in graph window while CStatistics::Update() will not execute in intervals below 100ms. As I noted callers should be responsible for keeping intervals.

[EDIT} Included in Scheduler patch.