Use Rollup to build the library (#193)

Use Rollup to build the library

Author: jledentu

.editorconfig

@@ -0,0 +1,18 @@
+# https://editorconfig.org
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[gulpfile.js]
+indent_style = space
+indent_size = 2
+
+[*.yml]
+indent_style = space
+indent_size = 2

.gitignore

@@ -10,3 +10,4 @@ bower_components/
 coverage/*
 
 nbproject/*
+dist/