Making skipIf message handling similar to the one of assert.
Making skipIf message handling similar to the one of assert.

The former default message along with the trace was causing redundant
messages as the message itself is already assembled by the reporter.

UnionOfRAD/framework,pixelcog/lithium,davidpersson/lithium,UnionOfRAD/lithium,m4rcsch/lithium-core-library,muyehub/lithium,muyehub/lithium,qoqa/lithium,whowgames/lithium,UnionOfRAD/lithium,mehlah/lithium,wbeater/lithium,jails/lithium,davidpersson/lithium,SensCritique/lithium,graphis/lithium,m4rcsch/li3_framework,graphis/lithium,SensCritique/lithium,mehlah/lithium,datachand/lithium,datachand/lithium,pixelcog/lithium,jails/lithium,m4rcsch/lithium-core-library,qoqa/lithium,wbeater/lithium,whowgames/lithium