updated asset source URL contract to always be an absolute path or URL
updated asset source URL contract to always be an absolute path or URL

kriswallsmith/assetic,lenar/assetic,lellimecnar/assetic,matthiasmullie/assetic,Sgoettschkes/assetic,lellimecnar/assetic,kriswallsmith/assetic,sportradar/assetic,mubassirhayat/assetic,stof/assetic,lenar/assetic,renaatdemuynck/assetic,webmozart/assetic,shandy05/assetic,stof/assetic,renaatdemuynck/assetic,mubassirhayat/assetic,mubassirhayat/assetic,kriswallsmith/assetic,lenar/assetic,matthiasmullie/assetic,shandy05/assetic,sportradar/assetic,shandy05/assetic,shandy05/assetic,Sgoettschkes/assetic,matthiasmullie/assetic,matthiasmullie/assetic,renaatdemuynck/assetic,fredemmott/assetic,lenar/assetic,dtee/assetic,Sgoettschkes/assetic,lellimecnar/assetic,lellimecnar/assetic,kriswallsmith/assetic,sportradar/assetic,Sgoettschkes/assetic,fredemmott/assetic,fredemmott/assetic,dtee/assetic,webmozart/assetic,webmozart/assetic,renaatdemuynck/assetic