Add .gitignore to .hgignore
Add .gitignore to .hgignore

We're all ignoring one another, pretending the other doesn't exist at
all, how rude!

MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging,MatthewWilkes/mw4068-packaging