Added more error-handling to code.
Updates and instructions added to shock-server config file.
Spelling error.
Edited index retrieval of Shock nodes to not require fully loading indexes into memory when retrieving a dataset.  Tested and saw improved performance.
Merge
Deprecated functions.
Setting file_name does not persist unless node is saved.
Writing index in 16MB chunks rather than 16 bytes at a time vastly improves performance.
Removing deprecated folder.
Added comment.
Writing chunkrecord index in 16MB parts.
Simplifying new code.
Edited line indexer to write index in 16MB chunks.
Edited line indexer function GetReadOffset() to work like the sequence functions that only return io.EOF once all of the lines have been read.
Edited column indexer to write index in 16MB chunks.
Merge pull request #193 from jaredbischof/master

Mostly indexer and acl modifications.