Proguard rules and gradle compile issues.

1.HMCL/proguard.pro
Uses this path:D:\Develop\Java\jdk1.6.0_45\jre\lib\rt.jar
should be <java.home>/lib/rt.jar to work in Mac and Windows.

2.HMCSM/build.gradle
It compile('../../../../repo/org/ho/jyaml/1.3/jyaml-1.3.jar') which is not existed.
I changed to compile ('org.jyaml:jyaml:1.3'), however, 
the compiler cannot find the class org.jackhuang.hellominecraft.DoneListener1
