Requirements
------------
- - git
+ - git (only needed when building from git)
- A C++ compiler with C++11 support (-std=c++11 option), e.g.
- g++ (>= 4.7)
- clang++ (>= 3.1)
- make
- - libtool
+ - libtool (only needed when building from git)
- pkg-config >= 0.22
- cmake >= 2.8.6
- libglib >= 2.28.0