fixed servlet containers in examples/testTomcatServerConfig/build.gradle
fixed servlet containers in examples/testTomcatServerConfig/build.gradle

akhikhl/gretty,akhikhl/gretty,cwardgar/gretty,cwardgar/gretty,aya-eiya/gretty,akhikhl/gretty,cwardgar/gretty,WilliamRen/gretty,saladinkzn/gretty