chainsaw-0.3.0

Notable changes:

• Specifying module name in build.gradle is no longer necessary
• DSL for defining patches has been changed (see wiki for details)
• Support for custom --add-opens, --add-reads and --add-exports flags

Change log:

• Implemented #8: Support for custom --add-opens flags
• Fixed #4 (again): Unexpected Behaviour in the gradle run task
• Fixed #7: Jigsaw flags generated in the wrong order
• Fixed #9: compilerArgs get overwritten
• Fixed #11: Don't do anything, if there is no src/main/java directory