Prepared file for 3d chart
3d added to panel config
3d jade files (modal and chart) prepared
Mock implementation of 3d chart (not working!)

TODO: check Highcharts version in Scalarm EM
New version (4.0.4) of Highcharts with 3d, changed adresses & configs, fixed cookies retrieving
Merge branch 'charts-service' into 3d-charts
Deleted config.js

Conflicts:
	chart_service/config.js
	chart_service/data_retriever.js
Small fix after merging (in panel_locals.js)
Working 3d scatter plot chart implementation
	* appropriate data retrieved from database
	* new highcharts version
	* changed output parameters format
Introduced basic http authentication.
Authentication divided in two: checking credentials (session in cookies or user+password) & (if required) checking if given experiment is visible to the user.
3d-charts:
	* points' colors depending on their values
	* changed tooltip content
Merge branch '3d-charts' into charts-service

Conflicts:
	chart_service/data_retriever.js
	chart_service/server.js