Update locales-el-GR.xml (#293)

* Update locales-el-GR.xml

closes citation-style-language/styles#6757

* add name locales-el-GR.xml

* Update semicolon term

closes citation-style-language/styles#6755

locales-el-GR.xml

@@ -7,6 +7,9 @@
     <translator>
       <name>dimtamb</name>
     </translator>
+    <translator>
+      <name>Patrick O'Brien</name>
+    </translator>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
     <updated>2013-11-08T20:31:02+00:00</updated>
   </info>
@@ -185,7 +188,7 @@
     <term name="page-range-delimiter">–</term>
     <term name="colon">:</term>
     <term name="comma">,</term>
-    <term name="semicolon">;</term>
+    <term name="semicolon">·</term>
 
     <!-- ORDINALS -->
     <term name="ordinal">ο</term>
@@ -394,8 +397,8 @@
     <term name="note" form="short">σημ.</term>
     <term name="opus" form="short">έργ.</term>
     <term name="page" form="short">
-      <single>σ.</single>
-      <multiple>σσ.</multiple>
+      <single>σελ.</single>
+      <multiple>σελ.</multiple>
     </term>
     <term name="number-of-volumes" form="short">
       <single>vol.</single>