changelogs for releases 16.1 and 16.2

Author: Kayla Wilkins

src/content/changelog/cloud-manager-version-1-16-1.md

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+---
+title: Cloud Manager v1.16.1
+date: 2020-08-13T05:00:00.000Z
+version: 1.16.1
+changelog:
+  - Cloud Manager
+---
+
+### Fixed:
+
+- Add withRouter to LinodeRescue
+- Update NodeBalancer details routing

src/content/changelog/cloud-manager-version-1-16-2.md

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+---
+title: Cloud Manager v1.16.2
+date: 2020-08-14T05:00:00.000Z
+version: 1.16.2
+changelog:
+  - Cloud Manager
+---
+
+### Fixed:
+
+- Clear UDF data on tab change
+- Form fields issue on One-click Apps and StackScripts creation flows