PropertyHDF5: remove declaration dataType(none_t)

The method PropertyHDF5::dataType(none_t t) was declared
in the header but was not implemented and not used by
the front facing Property class.

This fixes issue #269
Dummy
Merge pull request #280 from stoewer/master

PropertyHDF5: remove declaration dataType(none_t)
add 'sec' as valid unit to util::convertToSeconds
add isScalable util method to avoid try-catch in client code
add conversion of scalable si units to util::convert methods

move util::convertToKelvin and Second to allow using util methods
test for util::conversion functions
move checks from util::getSIScaling to util::isScalable
bugfix in docstring of util::convertToKelvin
Merge pull request #282 from jgrewe/conversions

Some additions to util temp and time conversion functions

LGTM
Move InvalidRankException from Hydra.hpp to Exception.hpp
InvalidRankException: derive from out_of_range

Instead of runtime_error
Rename InvalidRankException to InvalidRank

To conform to our exception naming scheme.
Merge pull request #283 from gicmo/invalid_rank_rename

Rework InvalidRank exception
Updated Win32.md to reflect latest win8 adventures
Fixed CMakeLists.txt to work with win
Fixed missing include string in DataType
Moved function bodies of "convertTo*" functions from util.hpp to cpp
Fixed optional-obligatory-tests: base entities used wrong templates
Fixed TtoBool in optional-obligatory-tests to avoid warnings in win