Fixed invalid names in DebuggerDisplay attribute for FdbRangeQuery.ResultIterator
XML comments and code annotations

- Still not over 9000
Logging Filter: tweaked formatting of command and timing reports

- log remembers if transaction was read-only or not
- detailed timing report uses the timestamp of the first read operation as the start of the bargraphs, to offset impact of patterns like: CreateTransaction, CPU, CPU, CPU, SOME MORE CPU, Set()/Get() and Commit() where the time at the start does not count for the actual duration of the trans
- added detailed version of commands report that dumps timestamps and durations
- fixed some missing or extra newlines