v0.6.1

Note: this is just a build of latest dev branch, no new features was added

Changes from previous release:

• export sources as android gradle project
• multidex support for apk & zip
• 'aar' support
• fix some 'try/catch/finally' cases
• fixes for switch blocks
• jadx-gui:
  • added full text search
  • support images view/unpack
  • added log viewer