Removed references to 0.11 and 0.12 from config/overview.rst
Uniformized prompt to
Added PDF and Serve post-processor tests
FIXED postprocessor test typos
minor checkpoint cleanup

- remember list of checkpoints browser-side
- cleanup references in MenuBar restore list.
  There was a closure issue, where multiple menu items would actually all restore the same checkpoint.
Make writer & post-processor aliases case insensitive.
log fatal error when PDF conversion fails

don't user batch mode, which suppresses too much output
Simplify
FIXED, latex characters not escaped properly in nbconvert
add comment clarifying that `out is None` when verbose=True
FIX, don't use regex
update LATEX_SUBS table
put back a couple of regexp subs in escape_latex
update text_escape_latex
recompile css
complete on % for magic in notebook

fixes #3954
fix completion when shared start among completion item is null
Escape latex fixes
Added ... to \ldots escape
Escape ansi like before
Revert "Simplify"

This reverts commit fdac8f30fd825e3f359e7cdfc6463829042699da.
Merge pull request #3938 from Carreau/fix-less-missing

Recompile css.