Remove magic for loading templates from module names
Fix tests to use full template names
new nbconvert tests which use accents in arguments
missing files
Remove duplicate traitlet definition
Drop unused traitlet imports
solved pdf postprocess issue for nb with accented names
removed unused import
render custom HTML for error pages
catch pandoc failures in nbconvert handlers
add error page templates
add error css
updated hack for pdf postprocess. Now it is only used for windows platforms and python 2.x
allow notebook to start without nbconvert

catches import / key errors and turns them into proper http errors
Removed Sphinxtransformer test
warn on failed formatter calls
remove redundant cls alias on Windows

It's already a magic, and the duplicate alias was failing with Invalid alias.
Added --post-serve explanation into the nbconvert docs.
Fixed #4580 -- Deprecated %profile.
Improve test for nbconvert citation filter.

'import lxml' was succeeding, but 'from lxml import html' was failing.