Updated README.md file
Updated README.md file

Bold to topic texts.
devdrops/silex-application,devdrops/openshift-silex-application,devdrops/openshift-silex-application,devdrops/cha-sort,Diego-Brocanelli/openshift-silex-application,devdrops/cha-sort,DevGears/cha-sort,DevGears/cha-sort