Adding NASTLH to the AI
added also gatech to the AI ...
Support ini files with spaces around the ‘=‘.
Add an early TS tileset importer and temperate tileset.
Added notifications for new objectives to scripted missions

Fixes #6692
Remove static state from ChromeProvider.
Remove obsolete PackageContents array from Manifest.
Disabled changing e7's stances
Load assets using absolute paths.  Fixes #6717.
Cache the support dir path.
Merge pull request #6722 from abcdefg30/disable_tanyas_stances

Disallow changing tanya's stance on allies01
build with previous latest mono 3.8
Merge pull request #6726 from Mailaender/travis-mono-3.8

Updated the release build servers to Mono 3.8
Merge pull request #6694 from LipkeGu/ai_update

[TS] Add Nod Stealth Generator and GDI TechCenter to the AI
Merge pull request #6724 from pchote/absolute-paths

Load assets using absolute file paths
Merge pull request #6699 from obrakmann/fix6692_new_objective_notification

Added notifications for new objectives to scripted missions
Add an aspect ratio correction flag to VqaPlayerWidget.
Make the video cancel hotkey configurable.
Prevent mouse events from propagating through a video.
Fix the title of the TD missions panel.