commitmonitor Code

no need for pointer check: free() already does nothing when nullptr is passed to it.

Fix compiler warnings new in VS2015

Use `empty()` instead of `size()` where possible.

Use the trim functions from the StringUtils header.

(Fixes issue #420) : Same object of 'basic_string' type was created but was not utilized.

Update issue #419
Remove unnecessary check.

(Fixes issue #419) : Some expression always TRUE/FALSE. Unsigned type value is always >= 0

Fix broken build after registry class update.

fix a few cppcheck warnings

Fix a few /analyze and cppcheck warnings.
(Fixes issue #398) : Cppcheck and /analyze results