Updates build scripts.

Author: Guido Marucci Blas

script/build

@@ -52,7 +52,7 @@ else
     exit 1
   fi
 
-  for scheme in $(schemes)
+  for scheme in $current_schemes
   do
     build_using_xcodebuild $scheme
   done

script/test

@@ -46,7 +46,7 @@ then
   exit 1
 fi
 
-for scheme in current_schemes
+for scheme in $current_schemes
 do
   run_tests $scheme
 done