master Fixing the issue where nginx is wrong

The installation file suggests that there will only be
one nginx, and that it will be installed at /usr/local/nginx.
I do not know how these dart tests were running when
trying to run a different executable, but I have resolved
them for brand-new installations.

config/benchmark_profile

@@ -14,8 +14,9 @@ export DART_HOME=~/FrameworkBenchmarks/installs/dart-sdk
 export PYTHON_HOME=~/FrameworkBenchmarks/installs/python-2.7.5
 export RACKET_HOME=~/FrameworkBenchmarks/installs/racket-5.3.6
 export NIMROD_HOME=~/FrameworkBenchmarks/installs/nimrod
+export NGINX_HOME=/usr/local/nginx
 
-export PATH="$PYTHON_HOME/bin:$PATH$JAVA_HOME/bin:$GRAILS_HOME/bin:$PLAY_HOME:$PLAY1_HOME:$VERTX_HOME/bin:$GOROOT/bin:$NODE_HOME/bin:$HOME/FrameworkBenchmarks/installs/bin:$MAVEN_HOME/bin:$PERL_HOME/bin:$PERL_HOME/site/bin:$DART_HOME/bin:$RACKET_HOME/bin:$NIMROD_HOME/bin:$PATH"
+export PATH="$PYTHON_HOME/bin:$PATH$JAVA_HOME/bin:$GRAILS_HOME/bin:$PLAY_HOME:$PLAY1_HOME:$VERTX_HOME/bin:$GOROOT/bin:$NODE_HOME/bin:$HOME/FrameworkBenchmarks/installs/bin:$MAVEN_HOME/bin:$PERL_HOME/bin:$PERL_HOME/site/bin:$DART_HOME/bin:$RACKET_HOME/bin:$NIMROD_HOME/bin:$NGINX_HOME/sbin:$PATH"
 
 export LD_LIBRARY_PATH='$LD_LIBRARY_PATH:/usr/local/apr/lib'
 

dart-start/setup.py

@@ -52,7 +52,7 @@ def start(args, logfile, errfile):
     #
     # start nginx
     #
-    subprocess.Popen('sudo /usr/sbin/nginx -c `pwd`/nginx.conf', shell=True, cwd='dart-start', stderr=errfile, stdout=logfile);
+    subprocess.Popen('sudo /usr/local/nginx/sbin/nginx -c `pwd`/nginx.conf', shell=True, cwd='dart-start', stderr=errfile, stdout=logfile);
     return 0
   except subprocess.CalledProcessError:
     return 1
@@ -61,7 +61,7 @@ def stop(logfile, errfile):
   #
   # stop nginx
   #
-  subprocess.check_call('sudo /usr/sbin/nginx -c `pwd`/nginx.conf -s stop', shell=True, cwd='dart-start', stderr=errfile, stdout=logfile)
+  subprocess.check_call('sudo /usr/local/nginx/sbin/nginx -c `pwd`/nginx.conf -s stop', shell=True, cwd='dart-start', stderr=errfile, stdout=logfile)
   os.remove('dart-start/nginx.conf')
   #
   # stop dart servers

dart-stream/setup.py

@@ -52,7 +52,7 @@ def start(args, logfile, errfile):
     #
     # start nginx
     #
-    subprocess.Popen('sudo /usr/sbin/nginx -c `pwd`/nginx.conf', shell=True, cwd='dart-stream', stderr=errfile, stdout=logfile);
+    subprocess.Popen('sudo /usr/local/nginx/sbin/nginx -c `pwd`/nginx.conf', shell=True, cwd='dart-stream', stderr=errfile, stdout=logfile);
     return 0
   except subprocess.CalledProcessError:
     return 1
@@ -61,7 +61,7 @@ def stop(logfile, errfile):
   #
   # stop nginx
   #
-  subprocess.check_call('sudo /usr/sbin/nginx -c `pwd`/nginx.conf -s stop', shell=True, cwd='dart-stream', stderr=errfile, stdout=logfile)
+  subprocess.check_call('sudo /usr/local/nginx/sbin/nginx -c `pwd`/nginx.conf -s stop', shell=True, cwd='dart-stream', stderr=errfile, stdout=logfile)
   os.remove('dart-stream/nginx.conf')
   #
   # stop dart servers