Script Improvements

[rabayliss]

• Update treat settings for automatic setting of target limits
• Clean External and Air
• Clean up protocols
• Include oar limits for prostate, HN, breast
• Eliminate 98% volume limits
• IGRT Align Structure/All GTVS
• Whole brain rename
• Support PRDR and VMAT segmented beam naming
• Renew auto optimization of multiple plans to check class solutions
• PRDR automation
• Auto FIF
• Add a bolus placeholder script for a small spherical roi for tracking bolus
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