Merge pull request #82 from ibolmo/master

Use Googles Custom Search Engine

Closes #19
Add image files for Core and More
add Core and More files to site structure
add individual builder page for Core and More
remove parts that are not used anymore
fixes after review input
change builder path and small fixes
Merge pull request #83 from SergioCrisostomo/add-core-and-more

Add Core and More
fix docs compiler

fix docs compiler to work also with Core and More's multiple doc files
and directory structure
use version first in docs path
Merge pull request #85 from SergioCrisostomo/fix-docs-compiler

fix docs compiler
added previous versions with select option to download