updated docs with roxygen2
white space
changed all @S3Method 's to @export to remove warnings.  Must use roxygen2 v4.*
merged dev into document
Merge pull request #5 from schloerke/document

Using newer roxygen2 and devtools
first pass at using grunt to do js testing with node.js
ignore ..Rcheck
added comments for R stuff and less email sending
documented
added .Rbuildignore file
documented
Merge branch 'dev' into r_cmd_check

* dev:
  added .Rbuildignore file
  documented
  added comments for R stuff and less email sending
  ignore ..Rcheck
white space
removed mathjax local support to make it R passable
deleted mathjax dir
renamed lato open font license to be url friendly
moved data to the top subdir and removed layload (depricated)
removes license issues when checking
* checking S3 generic/method consistency ... OK
* checking data for ASCII and uncompressed saves ... OK