Fixed travis.yml to use coreclr rc2 instead of dnx

.travis.yml

@@ -1,7 +1,6 @@
 language: csharp
-sudo: false
-mono:
-  - beta
+sudo: required
+dist: trusty
 addons:
   apt:
     sources:
@@ -16,14 +15,7 @@ addons:
     # packages for python
     - python3.5
 install:
-  # Install libunwind required for DNX
-  - wget http://download.savannah.gnu.org/releases/libunwind/libunwind-1.1.tar.gz
-  - tar xzvf libunwind-1.1.tar.gz
-  - libunwind-1.1/configure --prefix=$HOME/.local
-  - make && make install
-  - export LD_LIBRARY_PATH=$HOME/.local/lib/:$LD_LIBRARY_PATH
   # Install npm
-  - curl -sSL https://raw.githubusercontent.com/aspnet/Home/dev/dnvminstall.sh | sh && source ~/.dnx/dnvm/dnvm.sh && dnvm upgrade
   - rm -rf ~/.nvm && git clone https://github.com/creationix/nvm.git ~/.nvm && (cd ~/.nvm && git checkout `git describe --abbrev=0 --tags`) && source ~/.nvm/nvm.sh && nvm install 4
   - npm install -g npm@'>=1.4.3'
   - npm install
@@ -38,10 +30,12 @@ install:
   - echo y | ./android/android-sdk-linux/tools/android update sdk --all --filter platform-tools,android-23,build-tools-23.0.1 --no-ui --force
   - echo y | ./android/android-sdk-linux/tools/android update sdk --all --filter extra-android-support,extra-android-m2repository,extra-google-m2repository --no-ui --force
   - export ANDROID_HOME=`pwd`/android/android-sdk-linux
+  # Install NetCore RC2
+  - sudo sh -c 'echo "deb [arch=amd64] https://apt-mo.trafficmanager.net/repos/dotnet/ trusty main" > /etc/apt/sources.list.d/dotnetdev.list' 
+  - sudo apt-key adv --keyserver apt-mo.trafficmanager.net --recv-keys 417A0893
+  - sudo apt-get update
+  - sudo apt-get install dotnet-dev-1.0.0-preview1-002702 -y
 script:
-  - dnvm install 1.0.0-rc1-final -r mono
-  - dnvm install 1.0.0-rc1-final -r coreclr
-  - dnvm use 1.0.0-rc1-final -r coreclr -persistent
   - gulp
 after_script:
   - echo "========== Server log: ============"