stram -> dt
Merge pull request #808 from davidyan-malhar/stram2dtchange

stram -> dt
fixed the build
Merge branch 'master' of github.com:DataTorrent/Malhar into remote_master
Merge pull request #811 from gauravgopi123/buildfix

Buildfix
new http lines input operator
fix #MLHR-928
moved from stram to dt
fixed test case
Merge pull request #817 from gauravgopi123/MLHR-928

fix #MLHR-928
Merge pull request #816 from davidyan-malhar/httpLinesInputOperator

Http lines input operator
Merge branch 'master' of https://github.com/DataTorrent/Malhar