v2.0.0-8 Combo Box, Breakdown, Modal improvements

What's Changed

• Create and style Select component with react-select by @nemanjakrstic in #57
• X2-143 Payment summary by @nemanjakrstic in #59
• Rename Select to ComboBox, restore native Select component by @nemanjakrstic in #60
• X2-87: Event action: Manage equipment by @nemanjakrstic in #61

Full Changelog: v2.0.0-7...v2.0.0-8