Add notes about cherry for finding missing commits
Merge branch 'how-do-i-compare-branches' of https://github.com/treyhunner/gitfaq into treyhunner-how-do-i-compare-branches

* 'how-do-i-compare-branches' of https://github.com/treyhunner/gitfaq:
  Add notes about cherry for finding missing commits
Add tip about comparing branch to tag
Merge branch 'how-do-i-compare-branches' of https://github.com/treyhunner/gitfaq into treyhunner-how-do-i-compare-branches

* 'how-do-i-compare-branches' of https://github.com/treyhunner/gitfaq:
  Add tip about comparing branch to tag
updated copy
added branch deletion faq