dep: add glog
dep/gtest: msvc 2013 project file
dep/gtest: add target name
dep/glog: add msvc 2013 project file
dep/glog: std::min(), va_copy() in msvc 2013
dep: add gflags
dep/gflags: add msvc 2013 project file
dep/gflags: add _CRT_SECURE_NO_WARNINGS
add msvc 2013 solution
totoro/lib: move out StackWalker from lib/core
reorganize folder
replace glog by easylogging++.h
dep: remove glog
dep: gflags and gtest using static linking
dep: set output dir of gflags and gtest
reset solution files
remove libgtest project file
add source file to solution
foreach and benchmark, with test case