-- updated TASKS.md
--
Merge remote-tracking branch 'remotes/upstream/master'
Merge branch 'master' of https://github.com/trec-kba/streamcorpus-filter
added c++ benchmakr directory
added simple unit test for multisearch_naive

make test
./u-multisearch_naive
    pass     21		are equal:     	results.size()	 ==  3
    pass     22		check:        	results == (vector<pos_t>{content.begin()+0, content.begin()+4, content.begin()+8})
    pass     36		are equal:     	results.size()	 ==  0

------------ all pass ------------
fixed const corectness error
added trec-kba-2013 corpus;  added metrics
expanded readme
-- added comments
-- added note about libstreamcorpus.a
-- docs
Merge pull request #1 from lvv/master

Pull for phase-1