Fix double quotes not escaped in RSS title (share by email)

If an RSS feed title contains double quotes, this prematurely terminates the subject line and prohibits the URL to be added to the email body when using Share->Email.
Replace urlencode() with rawurlencode() for all transform functions.

data/shares.php

@@ -19,7 +19,7 @@
 return array(
 	'shaarli' => array(
 		'url' => '~URL~?post=~LINK~&title=~TITLE~&source=FreshRSS',
-		'transform' => array('urlencode'),
+		'transform' => array('rawurlencode'),
 		'help' => 'http://sebsauvage.net/wiki/doku.php?id=php:shaarli',
 		'form' => 'advanced',
 	),
@@ -40,31 +40,28 @@ return array(
 	),
 	'diaspora' => array(
 		'url' => '~URL~/bookmarklet?url=~LINK~&title=~TITLE~',
-		'transform' => array('urlencode'),
+		'transform' => array('rawurlencode'),
 		'help' => 'https://diasporafoundation.org/',
 		'form' => 'advanced',
 	),
 	'twitter' => array(
 		'url' => 'https://twitter.com/share?url=~LINK~&text=~TITLE~',
-		'transform' => array('urlencode'),
+		'transform' => array('rawurlencode'),
 		'form' => 'simple',
 	),
 	'g+' => array(
 		'url' => 'https://plus.google.com/share?url=~LINK~',
-		'transform' => array('urlencode'),
+		'transform' => array('rawurlencode'),
 		'form' => 'simple',
 	),
 	'facebook' => array(
 		'url' => 'https://www.facebook.com/sharer.php?u=~LINK~&t=~TITLE~',
-		'transform' => array('urlencode'),
+		'transform' => array('rawurlencode'),
 		'form' => 'simple',
 	),
 	'email' => array(
 		'url' => 'mailto:?subject=~TITLE~&body=~LINK~',
-		'transform' => array(
-			'link' => array('urlencode'),
-			'title' => array(),
-		),
+		'transform' => array('rawurlencode'),
 		'form' => 'simple',
 	),
 	'print' => array(