Add beeminder recipe

This is an unofficial module that allows you to update Beeminder, a goal visualization service. You can integrate it with Org. The blog post is at http://www.philnewton.net/blog/beeminder-for-emacs/ , and the repository is at https://github.com/sodaware/beeminder.el . I contribute to it.
Create bbdb-csv-import recipe

I am the author of a new package bbdb-csv-import, which imports csv
formatted contact data from programs such as outlook, thunderbird,
gmail, etc into bbdb version 3+.
Call package-initialize in sandbox
Add /sandbox to .gitignore
Add lib/hyperspec.el back into slime (closes #1665)
Merge pull request #1666 from m2ym/better-sandbox

Call package-initialize in sandbox
Add more info about building and testing recipes
Sandbox makefile target should depend on packages/archive-contents

See #1666
Add note about "make sandbox" (see #1666)
Extend note about sandbox target
add zotxt recipe
Add recipe for sphinx-doc
Merge pull request #1667 from egh/recipe_zotxt

add zotxt recipe
Merge pull request #1658 from naiquevin/pr-sphinx-doc

Add recipe for sphinx-doc
Merge pull request #1660 from ian-kelling/master

Create bbdb-csv-import recipe
Merge pull request #1668 from sachac/beeminder

Add beeminder recipe
add recipe for speck
Merge pull request #1670 from egh/recipe_speck

add recipe for speck
Don't ever pass the newish "trash" flag to #'delete-file

See https://github.com/cask/cask/issues/209
Add relative-line-numbers.