Merge pull request #1084 from avit/bwana-plugin

Bwana plugin for reading man pages in the browser

plugins/bwana/bwana.plugin.zsh

+#
+# Requires http://www.bruji.com/bwana/
+#
+if [[ -e /Applications/Bwana.app ]] ||
+    ( system_profiler -detailLevel mini SPApplicationsDataType | grep -q Bwana )
+then
+  function man() {
+    open "man:$1"
+  }
+else
+  echo "Bwana lets you read man files in Safari through a man: URI scheme" 
+  echo "To use it within Zsh, install it from http://www.bruji.com/bwana/"
+fi