Adds location search in Map
Adds retainment of zoom-level
Merge pull request #66 from heiglandreas/feature/searchInMap

Feature/search in map
Adds spiderification of nearby markers
removes unnecessary code
Changes marker-colors
Merge pull request #64 from heiglandreas/feature/addSpider

Feature/add spider
Add events via joind.in to the map

This commit allows events to be displayed on the map. These events are
retrieved via the joind.in-API
Adds missing JS-code
reformats config
merges stuff
Finalizes event-retrieval