use rvm gemset and bundler
indentation levels
Revert "remove conflicting excerpt filters"

This reverts commit 574845d5e781bcf70c406519f2f3c0aa67e59f42.
disable all excerpt-related stuff; fixes #64

The new Advanced Excerpt plugin is behaving unpredictably. Our best
option for Temple Update is to completely disable it for now and use the
basic WP excerpt.

initially used to override Advanced Excerpt's "read more" in
8aa6dc42d7bfbaa920e814d93534d9422c8d1304.
use grunt bump
bump version
Merge branch 'release/1.4.0'