Update travis for Java 8 U40
Update travis for Java 8 U40

gastaldi/AsciidocFX,gastaldi/AsciidocFX,lefou/AsciidocFX,LightGuard/AsciidocFX,asciidocfx/AsciidocFX,gastaldi/AsciidocFX,asciidocfx/AsciidocFX,jaredmorgs/AsciidocFX,LightGuard/AsciidocFX,lefou/AsciidocFX,jaredmorgs/AsciidocFX,asciidocfx/AsciidocFX,LightGuard/AsciidocFX,asciidocfx/AsciidocFX,jaredmorgs/AsciidocFX