First public release: v1.2 (only core sourcecode)

Signed-off-by: Stephen L. <lrq3000@gmail.com>
add: documentation

Signed-off-by: Stephen L. <lrq3000@gmail.com>
add: missing libraries

Signed-off-by: Stephen L. <lrq3000@gmail.com>
add: TreeTagger for Windows and MacOSX (Linux available on official website)

Signed-off-by: Stephen L. <lrq3000@gmail.com>