[os2web_borger_dk] updating : Selvbetjeningslinks html tag changes from Borger.dk, and microarticle a tabs.

[os2web_borger_dk] updating, Selvbetjeningslinks html tag changes from Borger.dk

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | Yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | Yes

[os2web_borger_dk] updating, Add link tags in microarticle, CSS and js adjustment, and clean up a bit.

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | Yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | Yes

[os2web_borger_dk] Fixing undefined index notices when locale.module is enabled

| Q             | A
| ------------- | ---
| Bug fix?      | Yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | Yes