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Fix links for TOC
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Added Progress Extension as per Andrew Downes input and March 8th Meeting Minutes
Merge pull request #21 from MrBillMcDonald/master

Add progress extension - per March 8th Meeting
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formatting
Merge pull request #4 from AICC/master

Update
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formatting
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AU definition updated to reference Learning Activity Provider per the March 15th Meeting
Merge pull request #22 from MrBillMcDonald/master

Update Assignable Unit Defintion to Include Learning Activity Provider (per March 18th Meeting)
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Add activity types to LMS requirements (per Andrew Downes)
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Add credit for Andrew Downes (great particpation Andrew !)
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Updated Document Reference Links
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Added base URI per March 15th Meeting