Added (segfaulting) unit test for defective class StreamingAsciiFile.
Merge pull request #1597 from tklein23/streaming_ascii_file_test

Added (segfaulting) unit test for defective class StreamingAsciiFile.
a platitude of fixes for R modular examples
fix mkl R example
fix ocas R example
refactored log-det and computation framework
COCG linear solver fixed, unit-test modified (log-det)
modular interface updated (log-det)