Suggest template language

Add Library Carpentry to the workshop template

make sure that checkpoint version is 0.4.0 or higher

fix swcarpentry/lesson-example#118: use checkpoint::scanForPackages

Includes @drjwbaker's description of Library Carpentry.

Improve wording on syllabus.html

As suggested by @gcapes.

Revert "ensure dt elements have an id set"

Numbering the lessons in the schedule

Related with https://github.com/swcarpentry/styles/issues/80.

Edit on GitHub

Jekyll doesn't export the _episodes_rmd so we need to flag the files.
Each Rmd file must have in the YAML header

    source: Rmd

https://github.com/swcarpentry/lesson-example/pull/104#issuecomment-283310978

Update copyright year with current year

Improve round corners on block input and output

Make tables wider

Close https://github.com/swcarpentry/styles/issues/101.

ensure dt elements have an id set

Fix layout of syllabus table

Adding JQuery debugging

Visually separate inline code blocks

Checking consolidated links

bin/lesson_initialize.py: Remove 'example-site' reference

The consumer was removed by 079d7d50 (Updating contribution guidelines
in boilerplate, 2016-06-26).

Rev 7da36a56 added a new row to the syllabus table with only 11 columns (instead of 12), which broke layout.
This fix adds the missing space.

Including mention of Library Carpentry in include files