Update org.clojure/clojure to 1.7.0

Results 
 <table style="border: 1px solid black; border-collapse: collapse;"><tr><th style="border: 1px solid black; padding: 5px;">File</th><th style="border: 1px solid black; padding: 5px;">Regex</th><th style="border: 1px solid black; padding: 5px;">Replacement</th><th style="border: 1px solid black; padding: 5px;">Result</th></tr><tr><td style="border: 1px solid black; padding: 5px;">some/file</td><td style="border: 1px solid black; padding: 5px;">regex</td><td style="border: 1px solid black; padding: 5px;">replacement</td><td style="border: 1px solid black; padding: 5px;">File not found</td></tr><tr><td style="border: 1px solid black; padding: 5px;">project.clj</td><td style="border: 1px solid black; padding: 5px;">{{library}} &quot;[a-zA-Z0-9.-_]+&quot;</td><td style="border: 1px solid black; padding: 5px;">{{library}} &quot;{{version}}&quot;</td><td style="border: 1px solid black; padding: 5px;">Updated</td></tr><tr><td style="border: 1px solid black; padding: 5px;">README.md</td><td style="border: 1px solid black; padding: 5px;">hello</td><td style="border: 1px solid black; padding: 5px;">world</td><td style="border: 1px solid black; padding: 5px;">Not changed</td></tr></table>

This pull request is created on behalf of @nbeloglazov