- added encoding scheme to 'URLDecoder.decode'.
- added encoding scheme to 'URLDecoder.decode'.

- added '.png' and '.scala' extension in 'guessContentTypeFromName'.


felixmulder/scala,slothspot/scala,shimib/scala,felixmulder/scala,martijnhoekstra/scala,martijnhoekstra/scala,shimib/scala,slothspot/scala,scala/scala,martijnhoekstra/scala,felixmulder/scala,lrytz/scala,slothspot/scala,slothspot/scala,jvican/scala,martijnhoekstra/scala,jvican/scala,shimib/scala,martijnhoekstra/scala,jvican/scala,jvican/scala,felixmulder/scala,lrytz/scala,lrytz/scala,shimib/scala,felixmulder/scala,slothspot/scala,scala/scala,lrytz/scala,slothspot/scala,martijnhoekstra/scala,lrytz/scala,felixmulder/scala,shimib/scala,scala/scala,slothspot/scala,jvican/scala,felixmulder/scala,lrytz/scala,shimib/scala,jvican/scala,jvican/scala,scala/scala,scala/scala,scala/scala