Fix .ttc style problem in Doxygen source browser
Improve documentation of Dimensions
Improve the documentation of Coordinate
Improve Input doc(the first pass)
Make descriptions in  "Class List" and "File List" consistent
Improve Output doc
Minor fixes of Input and Network doc
Merge branch 'master' of https://github.com/numenta/nupic.core into 80-engine-api-doc
Simplify redundant wording in doc
Ignore Doxygen generated doc
Improve the doc of Link except parameters and a few marked todos
Sweep doc TODOs in Link
Better .gitignore comment
Fix Doxygen warnings
Sweep doc TODOs in Input and Network
Merge pull request #96 from utensil/80-engine-api-doc

Improve `engine` API doc: Dimensions, Input/Output, Link