nix-mode.rcp: :prepare no longer needed.

Nix-mode now has proper autoload cookies for `nix-mode' and
`auto-mode-alist'.
Merge pull request #1866 from ruediger/nix-mode-fix

nix-mode.rcp: :prepare no longer needed.
Let neotree always download the master branch
Merge pull request #1867 from jaypei/recipes-neotree

Let neotree always download the master branch
Add color-theme-darkmine recipe
Merge pull request #1868 from pierre-lecocq/color-theme-darkmine_recipe

Add color-theme-darkmine recipe
Add recipe for geben
Merge remote-tracking branch 'upstream/master'
recipe: Migrate relevant recipes from git.naquadah.org to GitHub
Merge pull request #1870 from martinburchell/master

New recipe for geben
color-theme-darkmine.rcp: untabify
Add recipe for the deftheme version of darkmine
Merge pull request #1871 from pierre-lecocq/darkmine-theme_recipe

recipe: deftheme version of darkmine
fix http download with non-nil before-save-hook

* methods/el-get-http.el (el-get-http-retrieve-callback): use
  write-region instead of write-file to avoid before-save-hook.
recipe: ebuild-mode
recipe: org-passwords, a password manager for Org
Merge pull request #1873 from vincentbernat/recipe/org-passwords

recipe: org-passwords, a password manager for Org
Add recipe for operate-on-number.

https://github.com/knu/operate-on-number.el/blob/master/operate-on-number.el
Merge pull request #1874 from ruediger/add/operate-on-number

Add recipe for operate-on-number.
Fix a bug where el-get-github-clone used the wrong URL.