Migrate to cmake

Signed-off-by: Thynson <lanxingcan@gmail.com>
Ignore build/ directory

Signed-off-by: Thynson <lanxingcan@gmail.com>
Update CMakeList.txt

Signed-off-by: Thynson <lanxingcan@gmail.com>
Fix compilation error.
Import to Clion IDE
Fix bugs in rbtree_node.hpp
Include forward_list in intrus.hpp
Fix ambiguous partial specialization for rbtree container node
Support CMake 2.8
Code for test compilation.
Add IDEA project files
Use install directory rather than install target public header
Fix
Ignore Jetbrain IDE file