Document what emitter.statusInterval is.

config/environments/development.js.example

@@ -114,7 +114,7 @@ var config = {
             elapsedThreshold: 25 // the threshold to determine an slow acquire must be reported or not
         },
         emitter: {
-            statusInterval: 5000
+            statusInterval: 5000 // the time in millisecond between each status report is emitted from the pool
         }
     }
     ,sqlapi: {

config/environments/production.js.example

@@ -108,7 +108,7 @@ var config = {
             elapsedThreshold: 25 // the threshold to determine an slow acquire must be reported or not
         },
         emitter: {
-            statusInterval: 5000
+            statusInterval: 5000 // the time in millisecond between each status report is emitted from the pool
         }
     }
     ,sqlapi: {

config/environments/staging.js.example

@@ -108,7 +108,7 @@ var config = {
             elapsedThreshold: 25 // the threshold to determine an slow acquire must be reported or not
         },
         emitter: {
-            statusInterval: 5000
+            statusInterval: 5000 // the time in millisecond between each status report is emitted from the pool
         }
     }
     ,sqlapi: {

config/environments/test.js.example

@@ -108,7 +108,7 @@ var config = {
             elapsedThreshold: 25 // the threshold to determine an slow acquire must be reported or not
         },
         emitter: {
-            statusInterval: 5000
+            statusInterval: 5000 // the time in millisecond between each status report is emitted from the pool
         }
     }
     ,sqlapi: {