Fix an issue where the Create Script button would not reset all fields to their default values when there were no smart scripts listed at the moment.
Fix an issue where the load script button would be enabled while it shouldn't be
Enable the 'New Line' button as long as there's an entryorguid entered in the entryorguid text field.
From now on the parameter fields are always enabled instead of only when it's an used parameter
Revert "Fix an issue where the Create Script button would not reset all fields to their default values when there were no smart scripts listed at the moment."

This reverts commit 3866f1755e01f63e3dc6b6fe623830967b26d480.
Get rid of some VS2013 warnings with thanks to @Faq