Updated validators
JBIDE-14373: Remove ui.bot.ext dependency from bpel bot tests

This commit includes:
1. Creating a new Red Deer plugin for BPEL org.jboss.tools.bpel.reddeer
2. Removing ui.bot.ext dependency
3. Removing all example tests and creating one test for all examples
Resolved: JBIDE-14372
Implemented new requirements