Site cleanup

Changelog:

• Increased spacing between carousel text and button
• Increased margins on index news columns to create the illusion of center alignment
• Removed periods after abbreviated military ranks on about us page (still need to do so elsewhere)
• Removed obsolete positioning from bespin leadership headshots
• Replaced the pull quote image on the about us page and uncommented relevant text
• Right aligned the mismatched images on the projects pages
• Centered an image on the about us page