Turn on --use-aapt2 flag when recompiling; closed vaibhavpandeyvpz#160

Identify newer Java versions (fixes vaibhavpandeyvpz#159).

Use newer OSX image.

Check for empty process output && include view menu (fixes vaibhavpan…

…deyvpz#150).

Allow choosing whether to decompile smali/resources/java or not.

Implement hex editor/viewer via Dax89/QHexView.

Better (adb, java) exe lookup, auto-restart on theme changes.

Fix app icon on Mac OS X.

Fix word wrap not enabled.

Package windows releases as zip.