I've encountered a bug in the Boneyard: after exploring the first area, I ran through the Blades and Deathclaw areas to get to the Gun Runners and their delicious hardware. After kitting myself out, I slaughtered all the Deathclaws. At this point I had not spoken to the leaders of either the Blades or the Gun Runners. When I go talk to Razor, she tells me to get lost because the Gun Runners have left - but at no point did I accept that quest!
Any help to get things back on track would be greatly appreciated!

The only thing I can advice is to reload a earlier save and talk to the people rather then run through it. As great as the fallout games are they do have alot of little bugs like this and its always a good idea to save in mulitple slots and save fairly often incase of instances like this.