Docs: Make the DocBlock summary for `get_option()` more explicit and convert to using a third-person singular verb.

See #32246.

Built from https://develop.svn.wordpress.org/trunk@37876


git-svn-id: http://core.svn.wordpress.org/trunk@37817 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/option.php

@@ -7,7 +7,7 @@
  */
 
 /**
- * Retrieve option value based on name of option.
+ * Retrieves an option value based on an option name.
  *
  * If the option does not exist or does not have a value, then the return value
  * will be false. This is useful to check whether you need to install an option

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37875';
+$wp_version = '4.6-alpha-37876';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.