Updated Changelog for 3.0.0 RC (#2676)

* Updated Changelog for 3.0.0 RC

Updated Changelog with fixed and implemented issues for the RC release, so new things can be browsed easily

* Fixed issue descriptions 

Fixed issue descriptions and removed internal issues that were practically never released

Author: pkoleva

CHANGELOG.md

@@ -1,6 +1,34 @@
 NativeScript CLI Changelog
 ================
 
+3.0.0-RC.1 (2017, March 29)
+==
+
+### New
+
+* [Implemented #2170](https://github.com/NativeScript/nativescript-cli/issues/2170): CLI should report adb install errors
+* [Implemented #2204](https://github.com/NativeScript/nativescript-cli/issues/2204): Remove fibers from CLI and use async/await
+* [Implemented #2349](https://github.com/NativeScript/nativescript-cli/issues/2349): Command "emulate" and options "--emulator/--device/--avd" are a bit confusing to use
+* [Implemented #2513](https://github.com/NativeScript/nativescript-cli/issues/2513): Allow templates to omit App_Resources 
+* [Implemented #2633](https://github.com/NativeScript/nativescript-cli/issues/2633): Deprecate `tns livesync` command
+
+### Fixed
+
+* [Fixed #2225](https://github.com/NativeScript/nativescript-cli/issues/2225): The tns debug ios command hangs on launch screen 
+* [Fixed #2357](https://github.com/NativeScript/nativescript-cli/issues/2357): --copy-to option is broken
+* [Fixed #2446](https://github.com/NativeScript/nativescript-cli/issues/2446): tns emulate --device NonexistentName retunrs different messages for ios and android
+* [Fixed #2486](https://github.com/NativeScript/nativescript-cli/issues/2486): tns run android (without started emulator/connected device) fails to start app
+* [Fixed #2487](https://github.com/NativeScript/nativescript-cli/issues/2487): Exception: The plugin [email protected] is already installed
+* [Fixed #2496](https://github.com/NativeScript/nativescript-cli/issues/2496): `tns platform clean android` does not maintain the same version of the runtimes
+* [Fixed #2511](https://github.com/NativeScript/nativescript-cli/issues/2511): Second run of `tns run android --release` does not respect changes in application code
+* [Fixed #2557](https://github.com/NativeScript/nativescript-cli/issues/2557): 2.5.1 iOS incremental build generates inconsistent binary 
+* [Fixed #2559](https://github.com/NativeScript/nativescript-cli/issues/2559): `tns init` fails, `ins init --force` produce invalid app
+* [Fixed #2560](https://github.com/NativeScript/nativescript-cli/issues/2560): `tns run` should do full prepare/rebuild if something in App_Resources is changes
+* [Fixed #2561](https://github.com/NativeScript/nativescript-cli/issues/2561): Fix prepare process terminates if passing too many arguments to a new node process
+* [Fixed #2641](https://github.com/NativeScript/nativescript-cli/issues/2641): Removed files are not sync correctly on android
+* [Fixed #2642](https://github.com/NativeScript/nativescript-cli/issues/2642): `tns run ios/android` sync hidden files
+* [Fixed #2653](https://github.com/NativeScript/nativescript-cli/issues/2653): Copy folder with files inside app breaks live sync
+
 2.5.3 (2017, March 20)
 ==