test jdk7
apply coveralls

connect coveralls to travis
delete iml file

do not track iml file
change for test
delete iml file

do not track iml file
apply coveralls

connect coveralls to travis

Conflicts:
	.travis.yml
fix to java7
change cobertura version
fix coveralls plugin
fix testcase
change to java7 tomcat7
add coveralls badge
change to tomcat7, java7 add coverage