Added a new shortcut to datatype: 'wkt' => OGCJTSShape
Merge branch 'master' of github.com:aseldawy/spatialhadoop2
Partial implementation of quad tree for NASA data
Partial implementation of quad tree for NASA data
Refactor AggregateQuadTree helper classes

Compute aggregate values in a brute-force way when creating a new AggregateQuadTree
Merge remote-tracking branch 'origin/agg-quad' into agg-quad

Conflicts:
	src/edu/umn/cs/spatialHadoop/core/Point.java
	src/edu/umn/cs/spatialHadoop/nasa/AggregateQuadTree.java
Store stock quad tree in a more concise format using column representation and primitive arrays

Compute the aggregate values in quad tree in a faster way by reusing values of children
New updates to match the recent design in the paper
Propagate parameters to sample local methods

Solved a bug with concurrency issue when flushing an R-tree in the background
Merge branch 'master' of github.com:aseldawy/spatialhadoop2
Refactor Sampler to contain one public static method and make all other methods private
Added a preliminary version of PlotHeatMap which currently works only in its local version

Renamed Plot to PlotPartitioned to match the visualization paper writeup
A MapReduce version of PlotHeatMap (not working properly yet)
Merge branch 'master' into agg-quad
A MapReduce version of PlotHeatMap (not working properly yet)
Merge branch 'master' of ssh://ibn-sina.cs.umn.edu/project/alexandria08/shadoop-ext

Conflicts:
	src/edu/umn/cs/spatialHadoop/operations/PlotHeatMap.java
Added an entry in Main to PlotHeatMap
Removed unnecessary log lines in PlotHeatMap
Fixed bugs with parsing OSM text files
Implemented PlotHeatMap with space partitioning (not tested yet)