Update CIDER to 0.7.0 and clojure-mode to 0.3.0
Remove obsolete symlink to elein.el
Emacs twilight theme: remove background from error face
Add org-element-text-markup-successor

This enables using ` as a markup character for code without breaking
org-fill-paragraph.
Add org-babel-cider for CIDER 0.7.0 support

Custom error-handling code, needs more work to actually print the full
exception.
Emacs custom: ` in org-emphasis-alist
.bashrc: set JAVA_HOME for OS X
Emacs: Let CIDER pop up stacktraces for now
Emacs custom: safe theme hashes
Emacs/Clojure: org-babel, eval-from-register shortcuts
Add .bash_gpg and invocation in .bashrc
Bash: Remove rbenv
Bash: Remove .path, generate on install with $HOME
Bash: remove old aliases for SWANK and droid