Updated Java Code Maker plugin.
Updated C# Code Maker plugin.
Updated Objective-C Code Maker plugin.
Updated Python Code Maker plugin.
Updated Ruby Code Maker plugin.
Updated Code Maker plugins to exclude capabilities with empty values.
Removing misplaced tab from Python Code Maker plugin.
Replaced spaces with tabs in Code Maker plugin files.
Merge pull request #307 from edgy360/master

Fix #292 (Appium client shows older capabilities values)