reverted .travis file

.travis.yml

@@ -236,26 +236,24 @@ install:
 # build script #
 ################
 
-script: |
-  if [[ "${SPECIAL}" == "" ]]; then
+script:
   # show OS/compiler version
-    uname -a
-    $CXX --version
+  - uname -a
+  - $CXX --version
 
   # compile
-    make
+  - make
 
   # execute unit tests
-    test/json_unit "*"
+  - test/json_unit "*"
 
   # check if homebrew works (only checks develop branch)
-    if [ `which brew` ]; then
+  - if [ `which brew` ]; then
     brew update ;
     brew tap nlohmann/json ;
     brew install nlohmann_json --HEAD ;
     brew test nlohmann_json ;
     fi
-  fi
 
 #language: cpp
 #