chrome.yaml fixes
fixed the Battlefield News button
Trying to fix Settings buttons
Manual merge of dialog.png

The new file inclused both the black box and the new vivid red colors.
Added tab completion to in-game chat.

Both player names and chat commands can be completed.
Names of local players and bots are not candidates for completion.
If a completed name is the first word ": " is appended to the end.
The hotkey for toggling team/all chat has been moved to left Alt.
Code cleanup based on code review.

Fixes multiple enumeration of IEnumerable.
Fixes return value of pure method not used.
Converted OnTabKey and OnClick handlers to method groups.
Removed one set of redundant parenthesis.
Replaced explicit type with var.
Added tab completion to lobby chat.

Also fixes accidental reversion of one word logic during cleanup.
Fields that could be readonly are now readonly.
Fixes outdated dialog.png in Tiberian Sun mod.
Fixed starport and palace
Update AUTHORS

Added myself as requested by Mailaender.
Replaced ForEach with loop, moved Trim outside.
Replaced GetPlayerNames method with simpler linq.

Bonus feature: it now auto complete bot names as well.
Fixes double auto completion.

Pressing tab twice would auto complete (the same name) twice.
Auto completion is now disabled when last character in sentence is a
space.
Fixes double auto completion in in-game chat.
Don’t display LaserZap if source and dest are hidden.

Closes #6146.
Changes Weapon.Impact() to use Target (from WPos).
fix tried logging to non-existant channel exception

closes #6168
Fixes button style.
Adds newsbutton style.
Changes how the playerNames collection is created.

It's now extracted from the orderManager, like it's done in LobbyLogic.
This is to increase consistency.