SHARE-370 Homepage Recommendations

-Implemented API call for homepage recommended programs
-Wrote API test cases
-Enabled recommended projects on the homepage
-Refactored behat test case for recommendd projects

composer.json

@@ -15,7 +15,7 @@
         "ext-posix": "*",
         "ext-zip": "*",
         "beberlei/doctrineextensions": "^1.2",
-        "catrobat/capi": "v1.0.41",
+        "catrobat/capi": "^1.0",
         "doctrine/doctrine-bundle": "^2.0",
         "doctrine/doctrine-migrations-bundle": "^3.0",
         "doctrine/orm": "^2.7",
@@ -137,4 +137,4 @@
         "url":  "git@github.com:leno12/HWIOAuthBundle.git"
     }]
 
-}
+}