Update to depend on nrepl.el 0.1.7
Fix mode-map definitions
Add shortcut for nrepl-ritz-jack-in
Ensure singe breakpoint for line

When setting a breakpoint for a line, the jvm can have many classes
corresponding to a line, due to recompilation of clojure functions.  Filter the
lines to set the breakpoint on the newest version of the code, and remove class
initialisation locations.
Add missing dependency in project.clj
Add key bindings for browser buffers
Fix reference to renamed function
Improve updates of breakpoints in fringe

Better track changes in breakpoints due to restarts, etc.
Add dev dependency on clojure in lein plugin
Add extra logging
Add debug output to source-jar in lein-ritz
Improve namespace and path mapping