Fixed mismatch error between README and resource code, now using 's3_…

…time_prefix' everywhere.

README.md

@@ -38,11 +38,11 @@ The S3 bucket to back up into.
 The S3 access_key_id.
 * __s3_secret_access_key__ - kind_of: String, required: true.
 The S3 secret_access_key.
-* __s3_date_prefix__ - kind_of: String,, default: '%d-%b-%Y'.
-The prefix used with each saved object name.
-This string is processed using the Ruby Time.strftime() function so this
-prefix is useful to name backups by date, etc.
-For example, the default might resolve to this: "20-May-2015",
+* __s3_time_prefix__ - kind_of: String,, default: '%d-%b-%Y'.
+The s3_time_prefix is processed using the Ruby Time.strftime() function
+and prepended to each saved object name.
+The usual usage is to provide a date prefix for a daily backup.
+For example, on May 20th, 2015, the default will resolve to: "20-May-2015".
 See Ruby Time.strftime() docs for more examples.
 
 __Logging:__

libraries/provider_s3_backup_base.rb

@@ -50,7 +50,7 @@ def action_create
               'access_key_id' => new_resource.s3_access_key_id,
               'secret_access_key' => new_resource.s3_secret_access_key,
               'bucket' => new_resource.s3_bucket,
-              'time_prefix' => new_resource.time_prefix
+              'time_prefix' => new_resource.s3_time_prefix
             },
             'log' => {
               'ident' => new_resource.log_ident,

libraries/resource_s3_backup_base.rb

@@ -31,8 +31,8 @@ def s3_access_key_id(arg = nil)
         def s3_secret_access_key(arg = nil)
           set_or_return :s3_secret_access_key, arg, kind_of: String, required: true
         end
-        def time_prefix(arg = nil)
-          set_or_return :time_prefix, arg, kind_of: String, default: '%d-%b-%Y'
+        def s3_time_prefix(arg = nil)
+          set_or_return :s3_time_prefix, arg, kind_of: String, default: '%d-%b-%Y'
         end
 
         def log_ident(arg = nil)