Prototype code for handling file type ETL

- Function to read contiguous blocks from multiple files into an RDD
- Functions to save blocks out to binary or text
Added convenience function for transforms
Modified packing to maintain xy coordinates
Automatically add jars in launcher
Added option for loading binary files
Added part label for stack files
Updated scala code to 0.2.0
Made record length a configuration parameter
Major refactoring of inputs

- New Thunder Context wrapper that provides access to loading functions
- Separate context methods for loading binary and text, loading example
data sets, and importing and converting from other formats
Adding jar with binary input format as a lib file
Fixed stray line
Cleaned up imports and doc
Fixed formatting
Automatic add wildcard for binary files
Typo in doc
Automatic partitioning for converting stacks
Fixed rounding error
Allow specification of file range
Use new loading in standalone apps
Changed var name