check for JAVA_OPTS env. variable
Merge pull request #115 from jgawor/java_opts

check for JAVA_OPTS env. variable
route verbosegc to logs dir
Merge pull request #116 from spaungam/verbosegc

route verbosegc to logs dir
handle case where .war has manifest with main-class
Merge pull request #117 from jgawor/spring_boot

Handle a case where .war has manifest with main-class