Lsl

* Added new "tutorial" style documentation for various parts of LSL
* Added scripts tbwSplit.py and tbnSplit.py to split large TBW and TBN files down to more manageable sizes

* Fixed various typos. in correlator.fx, misc.beamformer, and reader.buffer
* Added "close" function to writer.fitsidi

* New setuptools-based build system
* New, improved documentation
* Added post-acquisition beam forming module
* Added in modules for writing simulated data to the S60, TBW, TBN, and DRX raw data formats
* Added a module for simulated basic test signals in TBW, TBN, and DRX data
* Moved the lwa_user script 'astrostatus.py' into the scripts directory
* Fixed the FITS IDI writer
* Fixed a couple of bugs dealing with incorrect chunking of data in scripts/tbwSpectra.py and scripts/tbnSpectra.py

* Added in other modules from the lwa_user library developed by NRL

* Initial version