Merge branch 'promisify'

.gitignore

index.js

package.json

sitegin/Page.js

sitegin/config.js

sitegin/gitInfo.js

sitegin/input-hugo.js

sitegin/jobs.js

sitegin/markdown.js

sitegin/nunjucks.js

sitegin/output-console.js

sitegin/output-filesystem.js

sitegin/parseHugo.js

sitegin/pipeline.js

sitegin/print.js

sitegin/readFiles.js

sitegin/sequencer.js

sitegin/sitegin.js

sitegin/tags.js

sitegin/theme.js