add basic implementation of sreality scraper (without saving)
cleanup
add couchdb implementation from @korczis
Merge branch 'master' into sreality-scraper

Conflicts:
	app.js
Merge commit 'ecc6f624d639e1bb18214760c3a756990f729326' into sreality-scraper
Merge pull request #2 from pavelbinar/sreality-scraper

Sreality scraper