Re #8355. Plugging memory leaks in LogParser.
Re #8355. Undoing some changes to Logger.cpp
Re #8355. Fixed more memory leaks in the tests.
Re #8355. Adding valgrind suppressions for KernelTest.
Merge remote branch 'origin/master' into feature/8355_kernel_memory

Conflicts:
	Code/Mantid/Framework/Kernel/test/LogParserTest.h

Re #8355.
Merge branch 'feature/8355_kernel_memory' into develop