Initial implementation of a new plugin system, so that people can managed which aliases/functions they want.

plugins/rails.plugin.zsh

@@ -0,0 +1,10 @@
+
+alias ss='thin --stats "/thin/stats" start'
+alias sg='ruby script/generate'
+alias sd='ruby script/destroy'
+alias sp='ruby script/plugin'
+alias ssp='ruby script/spec'
+alias rdbm='rake db:migrate'
+alias sc='ruby script/console'
+alias sd='ruby script/server --debugger'
+alias devlog='tail -f log/development.log'