Update tutorial.rst
Merge pull request #1011 from casaburi/master

Update tutorial.rst
Removed file extension check for .fan and .qual files with split_libraries.py as this caused issues with galaxy
Fixed order bug for unit test issue #988
Merge pull request #1016 from walterst/test_pick_otus_order_bug

Fixed order bug for unit test issue #988
Merge pull request #1015 from walterst/split_libraries_file_check

Removed file extension check for .fan and .qual files with split_librari...
updated to handle multiple per-sample fastq file
deleted old example output
added new example output
fixed bug that i introduced in my last commit (thank you script usage tests)
added note describing these changes
few changes based on comments from @jrrideout
Merge pull request #1021 from gregcaporaso/issue-1018

split_libraries_fastq.py can now handle per-sample, non-barcoded fastq files