Use events to update the site index instead of reloading the site

[jxson]

Even though the in progress rewrite will help get rid of this intermittent problem with the server I thought it would be good to keep track

|(node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit.
Trace: 
at [object Object].<anonymous> (events.js:139:15)
at [object Object].once (events.js:160:8)
at /Users/jxson/Code/spire.io/node_modules/haiku/lib/haiku/server.js:60:10
at callbacks (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/lib/router/index.js:272:11)
at param (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/lib/router/index.js:246:11)
at pass (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/lib/router/index.js:253:5)
at Router._dispatch (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/lib/router/index.js:280:4)
at Object.handle (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/lib/router/index.js:45:10)
at next (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/node_modules/connect/lib/http.js:203:15)
at Object.oncomplete (/Users/jxson/Code/spire.io/node_modules/haiku/node_modules/express/node_modules/connect/lib/middleware/static.js:150:11)