added full stops to READMEs
Merge pull request #1011 from buddhamagnet/amend-readmes

Added full stops to READMEs
Contributing update
Cleaning up Contributing.md
Merge branch 'master' of github.com:/TryGhost/Ghost
Troubleshooting in Contributing.md
add vim cruft to gitignore
Merge pull request #1029 from buddhamagnet/add-vim-cruft-to-gitignore

Add vim cruft to gitignore