Update README.md
add feature #10
Remove the unnecessary files from the liblru.

These files have been created as tests for the initial version of liblru
but are deprecated now.
Combine the liblru unittests.
Add travis-ci continuous integration.

This makes sure all of the unittests pass before a pull request is merged in.
Add travis-ci build status to the README file.
Merge pull request #14 from pooya/travis

Travis
Merge pull request #13 from pooya/liblru

Liblru
add iterator support for the nested table
Add integration test for drop/delete
Merge remote-tracking branch 'origin/develop' into develop