Revised the Ruby snippets to conform to Rubocop rules.
Revised the Rails snippets according to Ruby code styles.
Minitest snippets
Add python test snippets for assertIsNone and assertIsNotNone
Merge pull request #404 from okcompute/master

python: Add snippets for assertIsNone and assertIsNotNone
Add html comment snippet
Make trigger for "else" inline with recommendations.

Also make it require word boundary so does not expand within a word.
Merge pull request #407 from joshaw/master

Java: Make trigger for "else" inline with recommendations.
rst: Make has_cjk() Python 3 compatible.

In Python 3, iterators no longer have a next() method: it has been renamed to
__next__(). This could be worked around by using the builtin function next(),
but a simpler fix is to just use the regex' object search() method instead of
finditer().
.gitignore pyc files.
rst: Add $VISUAL.
Merge pull request #410 from Oberon00/rst-add-visual

rst: Add $VISUAL.
rst: Replace xrange() by Python 3 compatible range().
Merge pull request #408 from Oberon00/rst-fix-python3

rst: Improve compatibility of snippets with Python 3
Move the RSpec snippets from rails.snippets to ruby.snippets.
Extend html in eruby
Merge pull request #409 from Oberon00/add-gitignore

.gitignore pyc files.
Merge pull request #412 from majjoha/rspec-snippets

Move the RSpec snippets from rails.snippets to ruby.snippets.
Merge pull request #413 from nickjj/master

eruby: Extends html
Merge pull request #406 from jasonsjones/master

Add html comment snippet