Merge pull request #5376 from minrk/pretty-cap

elide long containers in pretty
Added test
wider style for keyboard shortcuts
Use regex instead
Added one more test, multiple \r on one line
Merge pull request #5380 from jdfreder/rmdefshort

Remove DefineShortVerb... line from latex base template
Merge pull request #5357 from minrk/smb-fails

catch exception in copystat
use - for shortcut separators
handle keyboard shortcuts ending with '-'
Fix Gecko (Netscape) keyboard handling
better handling of minus
really fix the '-' key shortcuts now
fix docs, closes #5345
Merge pull request #5346 from hmeine/custom_js_docs

give hint on where to find custom.js
urlencode images for rst files

closes #5350
prevent saving of partially loaded notebooks

closes #5363
Merge pull request #5359 from minrk/no-install-less

do not install less sources
Suppress output even when a comment follows ;. Fixes #4525.
Merge pull request #5394 from ivanov/backtick-docs

nbconvert doc update
Merge pull request #5388 from shashi/semicolon-fix

Suppress output even when a comment follows ;. Fixes #4525.