Remove redundant url-encode-url invocation

The Javadoc URLs are now properly encoded in the middleware.
See https://github.com/clojure-emacs/cider-nrepl/commit/706e916ea91707b8f87f08dab2f025c756b14ad2
[Fix #885] Ensure text property keys are symbols.

Maps received via nREPL have string keys.  The Emacs Lisp text property
functions expect all property keys to be symbols.  Thus we must first intern any
non-symbol property keys prior to applying them as text properties.
Merge pull request #918 from llasram/intern-keys

Ensure text property keys are symbols.
[Fix #495] Add some ClojureScript usage documentation.
Tidy table of contents in README.md
Merge pull request #911 from cichli/clojurescript-documentation

[Fix #495] Add some ClojureScript usage documentation.
Fix Tab-completion in cider-read-from-minibuffer
Use completion context only in clojure-mode buffers
[Fix #894] Make it possible to enter any symbol with cider-read-symbol-name
Use the clojure-mode-syntax-table when reading Clojure code from the minibuffer
Report Clojure's version including its qualifier
Release 0.8.2
Start work on 0.9