Add a beginning for LSU.
LSU: Describe the structure of the LSU.
LSU: Add paragraph on why we need queues.
LSU: Add paragraph on barrels. This should probably be moved somewhere else.
LSU: Fix typo: Remove double "out".
LSU: Change "writeback" to "write-back".
LSU: Remove unnessesary hypens.
LSU: Simplify sentence saying there are two SRAMs.
Merge pull request #72 from dmpro2014/lsu

LSU