make it usable with meteor

- closes bestiejs#109
This is occurring because of the platform dependency of the react-share NPM. The platform package does the following to check for Node but since process is defined as an object because of the process module (a module that I believe is typical of all Meteor/Browserify/Webpack setups) it's inadvertently classifying itself as Node in this step and then failing when it tries to grab the numeric version of the process.version (which is just an empty string).

platform.js

@@ -733,7 +733,7 @@
             }
           }
         }
-        else if (typeof context.process == 'object' && (data = context.process)) {
+        else if (typeof context.process == 'object' && !context.process.browser && (data = context.process)) {
           name = 'Node.js';
           arch = data.arch;
           os = data.platform;