Added headers to the NPC's saves section
Made the NPC feats share names with PC feats
Added Concentration to NPC skills
Added Total header to NPC BAB
Various fixes to the sheet HTML

Made roll values one line
Top-aligned some tables in the PC sheet
Moved all NPC roll buttons to the left of their attribute
Fixed Armor Check Penalty in skill calculations
Updating preview image
Changed width of some text boxes
Changed the preview image, for real this time.
Added buttons for CMB, melee, and ranged rolls

also moved as many buttons as i could to the left of their
attributes/sections
Merge pull request #215 from Thequietcroc/master

Various changes to the NPC stat block and fixes