Makefile : added capability to install libraries
Modified Directory tree, to better separate libraries from programs.


git-svn-id: http://lz4.googlecode.com/svn/trunk@111 650e7d94-2a16-8b24-b05c-7c0b3f6821cd
quickfix (issue 107 & issue 103)

git-svn-id: http://lz4.googlecode.com/svn/trunk@112 650e7d94-2a16-8b24-b05c-7c0b3f6821cd