V4.8.0 (microsoft#2102)

* Fixed missing item in File menu on Win / Lin. (microsoft#2100)

* Fixed missing item in File menu on Win / Lin.

* Fixed changelog entry PR #

* Bump version to 4.8.0 (microsoft#2101)

Signed-off-by: Srinaath Ravichandran <srravich@microsoft.com>

Co-authored-by: Srinaath Ravichandran <srravich@microsoft.com>

Co-authored-by: Tony Anziano <toanzian@microsoft.com>
Co-authored-by: Srinaath Ravichandran <srravich@microsoft.com>

4.8 blockers (microsoft#2098)

* 4.8 blockers

Copy to clipboard fixed
Making sure restart conversation does not show up in Transcript or Debug mode

Signed-off-by: Srinaath Ravichandran <srravich@microsoft.com>

* Changelog updated

Signed-off-by: Srinaath Ravichandran <srravich@microsoft.com>

Co-authored-by: Srinaath Ravichandran <srravich@microsoft.com>

Bumped version to v4.7.0 and set release notes (microsoft#2023)

* Bumped version to v4.7.0 and set release notes

v4.6.0 release.

Fixed click handling within all adaptive card inputs.

4.5.1 release.

Bumped Emulator to 4.5.0 and prepped changelog for release.

Changed require to import

Fixed LUIS No Models modal issues microsoft#1471 (microsoft#1484)

* Fixed LUIS No Models modal issues microsoft#1471

* Fixed the travis error and updated the changelig file

* Added telemetry routing

* Added tests

fix image relative path