Passing name of the file to be created down into generators
Added 'rasterize' script for PhantomJS
Adding lodash/underscore as a dependency
In theory, this should help PDF generation by clearly delineating page boundaries

In practice, it doesn't seem to help.  But it doesn't seem to hurt anything w.r.t.
HTML generation so I left it in.
This adds a command-line option to create a script that can build a PDF of the presentation
Bumping version
Documented new PDF generation
Add an appendix

For the inclusion of js libraries or general html elements outside the scope
of flowtime, we can pass a performatted html string.

Signed-off-by: Christoph Höger <christoph.hoeger@tu-berlin.de>

Output jade error messages

This saves you alot of time, when you are on a plane and cannot
figure out about which syntax error jade complains this time...

Signed-off-by: Christoph Höger <christoph.hoeger@tu-berlin.de>

Close outermost div and move appendix behind it

Signed-off-by: Christoph Höger <christoph.hoeger@tu-berlin.de>
Implement Suggestions from @xogeny

Signed-off-by: Christoph Höger <christoph.hoeger@tu-berlin.de>