v0.1

Now the jar file is a CLI tool
Use it by calling java -jar manifest-merge.jar

Usage:

$ java -jar manifest-merge.jar STRATEGY target source1 source2 [optional sources]

Strategies:

• UNIFY - combine 2 manifests in one, add one to another
  allows as many sources as entered, at least 2
• INTERSECT - leave only elements remaining in all mentioned sources
  allows as many sources as entered, at least 2
• SUBTRACT - remove elements of source 2 from source 1
  allows exactly 2 sources
• HELP - print help

Additional flags:

• -h, --help - print help and enable verbose mode