Update 1.1.0

Added

• grid connector component: grid operator and voltage level information
• photovoltaics component
• time window strategies: peak shaving and peak load window
• command line option skip_flex_report to skip flex band generation in report

Changed

• discharge limit moved from general scenario setup to vehicle types
• made battery calculation more robust for large capacities (no more endless loops)
• discoupled cost calculation from strategy (allow different pricing schemes)
• rework of greedy, balanced, balanced_market, distributed, flex_window and schedule strategies