Neos bugfix releases: 3.3.15, 4.0.9 & 4.1.7

[kdambekalns (Karsten Dambekalns)]

Yesterday I tagged bugfix releases for Neos. They fix a small number of bugs and inconveniences, as is to be expected.

• Neos - 3.3.15 ChangeLog
• Neos - 4.0.9 ChangeLog
• Neos - 4.1.7 ChangeLog

Thanks to those who contributed!