Add Maven/Bintray buttons in projects list.
Merge pull request #22 from aloiscochard/master

Add Maven/Bintray buttons in projects list.
Add sentence regarding Try/throwables
Merge pull request #23 from adelbertc/error-post-addendum

Add sentence regarding Try/throwables
Add [a]Coyoneda[ISet, a] post
can BE defined
Fix 2 typos
Merge pull request #24 from puffnfresh/coyoneda-set

Add [a]Coyoneda[ISet, a] post
Update 2014-06-22-mapping-sets.md
Typo used 'f' instead of 'k'
Monocle joins typelevel
First leibniz part text.
Formatting; better kind projecting; preview of 2nd part.
Use long lambda syntax, disambiguated sum function name.
Show type error, pretty symbols.
Scaladoc link.
Avoid infix type application in a couple places, for clarity.
Move leibniz part 1 to today.
Merge pull request #25 from S11001001/leibniz-1

New post: "A function from type equality to Leibniz"
Add links and one more planned topic to Leibniz #1 post.