Added NASARectangle to read each reading in NASA HDF files as a rectangle on earth instead of one point

Fixed a bug with Plot that causes some data to be missed when stitching images together
Implemented a new technique to recover holes in NASA generated images
Fixed the operations of recovering holes using interpolation
Add .png extension to images drawn using HDFPlot
Fixed a bug with the ordering of fields in OSMRelation
Added PIG code to parse relations
Added an operation to compare images with each other and finds similarity (not complete yet)
Take directory from command line in RecoverHoles
Updated osmx.pig to extract counties using all of nodes, ways and relations
Removed member_pos from OSMRelation as it turned out to be useless
Changed the template used by PlotPyramid to work as full screen
Fixed PlotPyramid template to work in full screen (fixed a bug there)
Updated version to 2.1
Remove computation of input size in Aggregate
Merge branch 'master' of /project/alexandria08/shadoop-ext
Implemented a new way for interpolation which prefers interpolated points over copied points
Fixed some minor error with usage hints and java docs
Merge remote-tracking branch 'origin/master'
Merge branch 'master' of /project/alexandria08/shadoop-ext
Changed the scale of temperature in Aggregate to work better in Saudi Arabia