Fixes SI-6400 - Implicit class guide
Include the Spanish language in the overview page
Fix typos and translation
Changes to documentation required after SI-6858 was fixed
Update overviews/core/_posts/2012-09-20-futures.md
Merge pull request #150 from densh/topic/si-6858-fixed

Changes to documentation required after SI-6858 was fixed
Merge pull request #152 from vjovanov/master

Changing versions in Actor Migration.
Merge pull request #148 from migue/overviews-page-translation

Include the Spanish language in the "Overviews" page
Fixups to the titling of one of the progfun-stats graphs
Merge pull request #151 from axel22/patch-1

Update overviews/core/_posts/2012-09-20-futures.md
fixes macro instructions for maven and sbt
Merge pull request #153 from xeno-by/master

fixes macro instructions for maven and sbt
Fixed bugtracker link in actors migration guide. 

Looks like previous link was wrong: ![error](http://monosnap.com/image/Po3s7WLR8ojTqS1vluGkdZFN6.png)
Merge pull request #154 from lazyval/patch-1

Fixed bugtracker link in actors migration guide.
a minor correction for paradise instructions
Merge pull request #156 from xeno-by/master

a minor correction for paradise instructions
fixed a link to the external akka.io site
Merge pull request #157 from swartzrock/master

Fixed a bad link on "The Scala Actors API" page
Added this missing page. Every Scaladoc generated page links to this missing page with the text  "Learn more about member selection" .
Fixed so is generated without an error, also added default TBD filler.