Re #10311. Adding more operator== to TimeSeriesProperty.

In the interest of speeding up comparisons, let
TimeSeriesProperty check for equality against a generic
Property and do the casting check.
Re #10311. Added PropertyWithValue::operator==.
Re #10311. Adding Property::operator==
Re #10311. Using new comparitor and adding openmp to log checks.
Re #10311. Fixing bug in comparison.
Re #10311. Fixing CheckWorkspacesMatch strings.
Re #10311. Forgot that openmp on windoze requires signed ints.
Merge pull request #39 from mantidproject/bugfix/10311_checkworkspacesmatch

CheckWorkspacesMatch returns 'did not match' when comparing a workspace to itself