Updating patch version in custom.props; Updating .gitignore

Merge branch 'master' of https://github.com/microsoft/AdaptiveCards

Reactnative/release 1.2.2 (microsoft#3666)

* Added properties for light and dark colors

* Updated the styles for containers to match with ios native

* Added the Container.Style json in the payload

* Updated the version to 1.2.2

Release: Updating the package versions for adaptivecards package and …

…dependencies

Released uwp v1.2.5

Released uwp v1.2.4

Released dotnet v1.2.4

Move in changes for 1.2.4 release (microsoft#3565)

* [UWP] Add accessible names to all action buttons (microsoft#3528)

Fixes microsoft#3527

* [.NET] Updated obsolete messages (microsoft#3529)

* Add validation for properly rendered columns (microsoft#3471)

* [.NET] Parse Context Update (microsoft#3548)

* made parse context not static; need to fix the internal id being null when showcard is parsed

* adding missing file

* add parse context for property parsing

* work in progress

* fixes concurrency issue during parsing

* minor fix

* updated PR per CR comments

* .Net Concurrency (microsoft#3556)

* addressed the review comments

* review comments fixes

* [.NET] Added missing pieces from previous commit

* [iOS] Added Custom Parsing and allowed signal to be passed to host app from… (microsoft#3526)

* Added Custom Parsing and allowed signal to be passed to host app from custom action in SelectAction

* updated with CR fixes

* fixed for CR comments

* addresssing CR comments

* [iOS][Sample App]Updated custom image renderer to handle toggle visibility (microsoft#3514)

* [iOS][Sample App]Updated custom image renderer to handle toggle visiblity

* toggle visibilty delegate will call action delegate to notify view frame
changes

* [UWP] Fix circular reference in ImageOpened lambda for Auto sized image handling (microsoft#3507)

* [UWP] Fix cirucular reference in element tag (microsoft#3496)

* updated version info

* Release: Updating custom.props to 1.2.4

* [UWP] Use custom button to show OpenUrl actions as links (microsoft#3555)

* [iOS] allows default text renderers to be used in their custom versio… (microsoft#3498)

* [iOS] allows default text renderers to be used in their custom versions of renderer

* adding missing files

* fixed project file removal by tools (xcode, git, and etc)

* CR comments feedback reflection

* CR comments fix

* [UWP] Update PerfApp test signing cert

* [UWP] Move accessibility changes from ActionHelpers to XamlBuilder

* Revert "fix xml serialization (microsoft#3455)"

This reverts commit 3ca37b1 which introduced an unexpected breaking change in the patch-only 1.2 branch release train with 1.2.3

* Bad merge with the last revert

* fixed bad merge

Add ability to customize toolbox titles (microsoft#3488) (microsoft#3489

)

Released uwp v1.2.3