Add exclude option to makepot cli command (#12)

Author: simison

bin/wpi18n

@@ -11,6 +11,7 @@ var WPPackage = require('../lib/package');
 var argv = require('minimist')(process.argv.slice(2), {
   string: [
     'domain-path',
+    'exclude',
     'main-file',
     'pot-file',
     'textdomain',
@@ -78,6 +79,7 @@ if (-1 !== argv._.indexOf('makepot')) {
 
   wpi18n.makepot({
     domainPath: argv['domain-path'] ? argv['domain-path'] : '',
+    exclude: argv['exclude'] ? argv['exclude'].split(',') : '',
     mainFile: argv['main-file'] ? argv['main-file'] : '',
     potHeaders: headers,
     potFile: argv['pot-file'] ? argv['pot-file'] : '',

docs/cli.txt

@@ -11,6 +11,7 @@ Options:
   -v, --version           Display the current version.
   -h, --help              Display help and usage details.
   --domain-path           Relative path to the POT file directory.
-  --main-file             Name of the main package file.
+  --exclude               Exclude directories. Separate multiple directories by comma.
+  --main-file             Name of the main package file.
   --pot-file              Name of the POT file.
   --type                  Type of package (plugin or theme).