VC2012 .lib compile targets

Also removing some cruft from file view. Unit test projects had a bad
reference.
string flags don't leak anymore

as previously discussed,
https://groups.google.com/forum/#!topic/google-gflags/64rfskYwnjg
Merge pull request #1 from MaxDZ8/bugfix-40-memory-leaks

Issue#40 Fix memory leaks caused by string flags allocated via placement new.