Fix Python tests in debug mode under Windows & ctest.

Refs #10745
Avoid using an empty paraview.path.

It causes a segfault on Linux/OS X if it is empty.
Refs #10740
Re #10805 Modify solid angle correction for tubes
Ref #10813 clang-format Framework.
Ref #10813 Fix bad clang-format.
Merge remote-tracking branch 'origin/master' into feature/10813_clang_format_framework

Conflicts:
	Code/Mantid/Framework/API/src/FrameworkManager.cpp
Refs #10815 Added optional parameter for seeding the random generator
Re #10817 Minor bug in DirectEnergyConversion

(header not defined if scrip fails)
Merge pull request #99 from mantidproject/bugfix/10740_mdviewer_crash_linux

All seems fine, it was tested on Ubuntu and Windows 7
Re #10817 Lost in branches changes to DirectPropertyManager
Re #10817 lost changes again
Re #8980 link new wiki to BackToBackExponential
Merge pull request #96 from mantidproject/bugfix/10745_win_debug_python_tests

Fix Python tests in debug mode under Windows & ctest.
Merge remote-tracking branch 'origin/feature/8980_backtobackGSAS_wikipage'
Merge remote-tracking branch 'origin/bugfix/10817_errorHardmaskPlus'
Merge pull request #109 from mantidproject/sans_solid_angle_update

Re #10805 Modify solid angle correction for tubes
Re #10813. Fixing some of the osx errors.
Re #10823. Adding original version of the script.
Merge branch 'feature/10813_clang_format_framework'

Conflicts:
	Code/Mantid/Framework/WorkflowAlgorithms/src/SANSSolidAngleCorrection.cpp
Re #10813. Reformatting one file that didn't get it.