Runtime 2.7 (#34)

* testing runtime update changes

* Updated config.yml

* adding build and runtime ruby docker images

* adding docker files for versions

* image ruby runtime 2.7

* changing ci ruby image version

* updating shell set flags

* updating shell set flags

* removing comment

Author: ssunny3141

build_images.sh

@@ -27,5 +27,5 @@ rubyversion=$1
 user="fnproject"
 
 echo $rubyversion
-#pushd images/build/${rubyversion} && docker build -t ${user}/ruby:${rubyversion}-dev . && popd
-#pushd images/runtime/${rubyversion} && docker build -t ${user}/ruby:${rubyversion} . && popd
+pushd images/build/${rubyversion} && docker build -t ${user}/ruby:${rubyversion}-dev . && popd
+pushd images/runtime/${rubyversion} && docker build -t ${user}/ruby:${rubyversion} . && popd