Updates developer guide for building docs


Former-commit-id: 26c704eaddc29e8c41fe7675c3abf1c0c6272fe3
Merge branch 'master' of github.com:jlukic/Semantic-UI into examples


Former-commit-id: 97eb412fa27a55690a3994afa86dc429fae4c2da
Merge branch 'master' of github.com:jlukic/Semantic-UI into examples


Former-commit-id: 3a10be7d34868a5d3ee3cee6e0bb78a2aa31a307