Cleanup OpenPGP.js and prepare for using Rollup

vendors/openpgp-2.6.2/rollup.config.js

@@ -0,0 +1,56 @@
+/*
+npm install rollup rollup-plugin-includepaths rollup-plugin-babel rollup-plugin-external-globals rollup-plugin-html rollup-plugin-terser
+rollup -c
+*/
+
+import includePaths from 'rollup-plugin-includepaths';
+import { terser } from "rollup-plugin-terser";
+//import resolve from '@rollup/plugin-node-resolve';
+//import replace from '@rollup/plugin-replace';
+//import commonjs from '@rollup/plugin-commonjs';
+
+let includePathOptions = {
+	include: {},
+	paths: ['src'],
+	external: [],
+	extensions: ['.js']
+};
+
+let terserConfig = {
+	output: {
+		comments: false
+	},
+	keep_classnames: true, // Required for AbstractModel and AbstractCollectionModel
+	compress:{
+		ecma: 6,
+		drop_console: true
+/*
+		,hoist_props: false
+		,keep_fargs: false
+		,toplevel: true
+		,unsafe_arrows: true // Issue with knockoutjs
+		,unsafe_methods: true
+		,unsafe_proto: true
+*/
+	}
+//	,mangle: {reserved:['SendMessage']}
+};
+
+export default [{
+    input: 'src/index.js',
+	output: [
+		{file: 'dist/snappymail/openpgp.js', format: 'iife'}, // format: 'es'
+		{file: 'dist/snappymail/openpgp.min.js', format: 'iife', plugins: [terser(terserConfig)], }
+	],
+    plugins: [
+		includePaths(includePathOptions)
+//		,commonjs()
+/*
+      replace({
+        'OpenPGP.js VERSION': `OpenPGP.js ${pkg.version}`,
+        'require(': 'void(',
+        delimiters: ['', '']
+      })
+*/
+    ]
+}];