cleanup

Change-Id: I3f59c16b4bc9355500114bc2946e8c5e925af59f
cleanup

Change-Id: I219e5c3d25e5aaa7d4552e2672a149a153b20c3c
cleanup

Change-Id: I95e948d0b5df0b73f2b824bf027126e22fc8d1f1
[base] SuffixTree: new API

Change-Id: I52e374e9f101786d8b7869890bdf5f68a5cbd8bf
[flow] vm: implements tail-match (=$) with a code cleanup along the lines.

Change-Id: I0ec3680100ecece19c96a8d5d8e1480e4ea5a526
update

Change-Id: Ic1537ee66109de34da06d3d20678f6a447b75c4f
copyright year update

Change-Id: Idb15e23a01bfa68a9e3401784b73de4bb7cb4b18