Add Changelog for 0.79.2

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Change to 0.79.1 for service release.

- Add Changelog

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Update language client to 7.0.0 to adopt LSP 3.16 features

Signed-off-by: Jinbo Wang <jinbwan@microsoft.com>

Change icons to eclipse ones for temporary use

Signed-off-by: Shi Chen <chenshi@microsoft.com>

Add changelog for 0.77.0

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Add changelog for 0.76.0

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Temporarily use VSCode 1.52.1 for test runs.

- VSCode 1.53 bumped minimum GLIBCXX to 3.4.21 making it difficult to
  run tests on older platforms. Instead of disabling, we can use 1.52.1
  runtime temporarily and eventually upgrade infrastructure.
- https://code.visualstudio.com/updates/v1_53#_electron-11-update

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Add changelog for 0.74.0

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Add changelog for 0.73.0 (redhat-developer#1744)

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>

Add changelog for 0.72.0 (redhat-developer#1726)

Signed-off-by: Roland Grunberg <rgrunber@redhat.com>