emacs creates temp files that ends with tilde (~).
These temp files should never be commited.
It is therefore safe to ignore them.

Signed-off-by: Niklas Johansson <raphexion@gmail.com>

Uncommenting the sys.config shell setting in app template rebar.config
works now as expected.

* bump bbmustache to version 1.6.0

* Use alternative bbmustache brackets in templates

This fixes the problems where literal nested tuples (`{{a,b},c}` or
`{{a,b}}`) would blow up and spaces needed to be inserted.

Auto-boot main app in OTP app project templates

People are starting to expect these niceties! It's also easier to drop
the config when you know it's there than add it when you don't know it
exists.