Merge pull request #7 from numenta/master

Merge master@HEAD
update numenta logo
dummy commit form Doxygen wizard save
Change project name and description
Include cross-referenced source
Improve doxygen doc main page
Workaround for Doxygen's bug when dealing with Markdown links
Make the "in progress" note look less weird
Fix all warnings of Doxygen
Use JAVADOC_AUTOBRIEF
Document NuPIC.hpp
Reorganize class NuPIC doc a little bit and mark some TODO
First pass on Network document.
Misc fixes of NuPIC document.
Wording and consistency fixes
Reorganize and group methods of Network and prettify
Prevent subgrouping
Misc doc fixes
First pass on Region doc improvement
Style fixes