Closes #413
Fix sparse matrix binary file writing
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Working on sparse matrix IO testing
Begin SolveMinNormLeastSqSystem
Add module tests
Delete unneeded code
Module compiles
Merge branch 'master' of https://github.com/SCIInstitute/SCIRunGUIPrototype into modules_H
Similar potential bug fix
Get tests building
Add to factory, no UI
Closes #412
Use boost::signals2
Closes #226
Refactor Module to prevent null algorithm calls
Change usage of boost::any to avoid strange bug on Clang/GCC. See #236.