Added ability to reload a control style file and notify the elements with that style. it also adds
the ability to update a registered StyleType
Merge pull request #288 from relu91/1.4

Automatic style reloading
Fixed chat control not displaying text in player/chat list boxes

-> TextRenderer.setText/setLabel were placed before setStyle in ChatBoxViewConverter; this caused setStyle to overwrite the submitted text because it calls setStyle(<original text>). Both method calls were moved after setStyle. This *seems* to have resolved the issue.

Fixes #293
Merge remote-tracking branch 'origin/1.4' into 1.4