Merge pull request #60 from leeper/master

Add some new ropengov packages
a few edits to makefiile, remade json
improved contributing.md
changed some gov pkgs to github, not cran
more instructions for contributing.md
added rsunlight and rtimes
headings to contributing.md
update repmis, added d3Network
minor
Merge pull request #62 from christophergandrud/master

Update repmis and added d3Network
added table of contents to readme
edited tm.plugin pkg desc, added boilerpipeR pkg, closes #63
added BerlinData pkg, closes #61
autogenerating pkg list at bottom with whisker in R, closes #47
added mailr pkg, closes #64
added install pkgs for whisker and stringr to whisker file #47
made data sources groups alphebetical, closes #73
added new pkgs, closes #65, closes #66, closes #67, closes #69, closes #70, closes #74
add mediawiki extension (closes #71)
add SocialMediaMineR (closes #76)