v 2.2.0

[lavolp3]

• (by spitzlbergerj) within the ticker mode, a line with the own purchase price and the display for profit and loss is added. The performance compared to the own purchase price can be displayed too.
• changed width scheme, hopefully fixing #35
• optimized tagline, now showing once below chart or table/grid/ticker
• code cleanup
• fixed ticker length (may fix ticker length issue): ticker can now expand over many items.
• optimized grid