Add config.mk and dist to .gitignore

Signed-off-by: Mike McClurg <mike.mcclurg@citrix.com>
Merge pull request #11 from mcclurmc/master

Add config.mk and dist to .gitignore
Fix a hygiene violation.

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge branch 'master' of github.com:xapi-project/xenopsd