Comment ExecsSpec too, see #1753
Add compile test for WebSockets
Merge branch 'master' of https://github.com/excilys/gatling

Conflicts:
	gatling-core/src/test/scala/io/gatling/core/action/PaceSpec.scala
	gatling-core/src/test/scala/io/gatling/core/structure/ExecsSpec.scala