Adding David Mannicke's Bilby loader. re #9394

add a small dataset David provided
Modified cmake to include loadbby. re #9394

and modified loadbby to use new summary() method instead of now old SetWikiSummary and SetOptionalText methods, see http://www.mantidproject.org/Algorithm_Documentation#The_Summary_method
add rst file for bilby. re #9394
Fix to build. Remove cross platform calls. re #9394
Revert "Modified cmake to include loadbby. re #9394"

This reverts commit 16f6a8350fc66f197fc8f8d1ec1a3aa48bedfe0c.


temp uncommit changes
Revert "Revert "Modified cmake to include loadbby. re #9394""

This reverts commit 48f7272453f15f3e916c3e25afdd60e4a65f1d93.
fixes to mac build. re #9394

note emplace_back not supported on a mac compiler
remove cppcheck warnings. re #9394

remove new added at http://builds.mantidproject.org/job/cppcheck_develop/759/
Added loadbby unit test. re #9394

And renamed property "Hdf Reference" to "HdfReference" to satisfy http://builds.mantidproject.org/job/develop_systemtests_rhel6/lastCompletedBuild/testReport/SystemTests/CodeConventions/Algorithms/
(tx to martyn for spotting this)
Merge remote-tracking branch 'origin/feature/9394_loader_bilby_'