switch int and uint32_t to size_t in loops -- closes #61
uncrustify source code and make C++11 compatible
fix s2 in C++11 compile mode
add C++11 switches to gyp file
install g++4.7 backport
fix broken C++11 flag on linux
output gcc version before build
set compiler to use thru environment variable
ignore const qualifiers during compile (on purpose)
ignore const qualifiers during compile (on purpose)
fix signed/unsigned comparisons
fix signed/unsigned comparisons, use prefix increment consistently
ignore unused hard-coded constant
fix previous merge
use vector<T>::empty instead of size() compare