Initial implementation of Sadakane's proposal
Read input line by line.
Restricted to top-k
fixes...
Merge branch 'doc_list_idx' of github.com:simongog/sdsl-lite into doc_list_idx
Revert "fixes..."

This reverts commit 1c8ecdabf9595ce5f0274af4b68e872b86dfa664.
added greedy and qprobing
Merge branch 'doc_list_idx' of github.com:simongog/sdsl-lite into doc_list
Fixed qualifier.
added fixes and sanity checks. something is still not right with the sada method
millisecs -> microsecs
Merge branch 'doc_list_idx' of github.com:simongog/sdsl-lite into doc_list_idx
Listed docs are now also sorted according to doc_id
Moved files around
Adpated Makefile
Addressed `unused variable` warning.
The rrr_vector benchmark is executed in [5..255]
Clean up code.

get_rnd_positions -> util::rnd_positions
Added benchmarks to build-test.
Merge branch 'master' of github.com:simongog/sdsl-lite