added support to coustom where conditions
Merge branch 'master' into feature/influxdb-add-where-conditions

Conflicts:
	src/app/partials/influxdb/editor.html
	src/app/services/influxdb/influxdbDatasource.js
Added where condiction operators
Added conditions management
Added labels per series management
better variable naming
removed unrequired variable (error on merge from master)
Merge branch 'feature/influxdb-add-where-conditions' of github.com:mavimo/grafana into mavimo-feature/influxdb-add-where-conditions
Review and small refactoring of PR #331