Fix example config file

Author: sabo

examples/config_file/config.ini

@@ -1,14 +1,14 @@
 [PSC]
-site_name = "PSC"
-api_key = "some_secret_key"
+site_name = PSC
+api_key = some_secret_key
 
 [PSC_TEST]
-site_name = "PSC"
-amie_url = "https://amieclient.xsede.org/v0.20/"
-api_key = "some_beta_key"
+site_name = PSC
+amie_url = https://amieclient.xsede.org/v0.20/
+api_key = some_beta_key
 
 [NCSA_LOCAL_DEV]
-site_name = "NCSA"
-amie_url = "http://localhost:12345"
-usage_url = "http://localhost:23456"
-api_key = "some_dev_key"
+site_name = NCSA
+amie_url = http://localhost:12345
+usage_url = http://localhost:23456
+api_key = some_dev_key