Added line de-duplication.
Removed Trove4j since license wasnt any good.
Stopped calling stuff fast.
Merge pull request #908 from johanstenberg92/line-de-duplication

Line de duplication
Renamed DeDuplicate to Dissolve, added implicit to the geotrellis.vector package, made return type Seq[Line].
Merge pull request #909 from lossyrob/line-dedupe

Updates to the DeDuplicate (renamed dissolve) operation.
Modified to use Traversable, convert to array for indexed access.
Merge pull request #910 from lossyrob/line-dedupe

Further updates to LineDissolve.
Optimization to fetching vertex and vertex count from geometries.
Merge pull request #911 from lossyrob/line-dedupe

Optimization to fetching vertex and vertex count from geometries.
Remove isValid check (it's too slow). Additional optimizations.
Added paren
More optimizations.
Merge pull request #913 from lossyrob/line-dedupe

Further optimizations to Dissolve.
Rewrote LineDissolve, faster and more correct.
Merge pull request #914 from lossyrob/line-dedupe

Rewrote LineDissolve, faster and more correct.
Average interpolation implemented and tested.
Mode interpolation implemented and tested.
All interpolations implemented and tested. Need some code revision. No benchmarks written yet.
Merge branch 'master' into interpolation-implementations