Polish the latex preamble in Export.js and fix somme mistakes on @since.

static/plugin_dbui/src/grid/mixin/ExportBase.js

 /**
  * Base class to export the content of a App.grid.Panel.
  *
- * @since 0.6.1.18
+ * @since 0.6.2
  *
  */
 Ext.define('App.grid.mixin.ExportBase', {

static/plugin_dbui/src/grid/mixin/ExportCSV.js

@@ -2,7 +2,7 @@
  * This class is used as a mixin.
  * The main method translate the Ext.grid.View content into a CSV string.
  *
- * @since 0.6.1.15
+ * @since 0.6.2
  *
  */
 Ext.define('App.grid.mixin.ExportCSV', {

static/plugin_dbui/src/grid/mixin/ExportLatex.js

@@ -2,7 +2,7 @@
  * This class is used as a mixin.
  * The main method translate the Ext.grid.View content into a latex string.
  *
- * @since 0.6.1.15
+ * @since 0.6.2
  *
  */
 Ext.define('App.grid.mixin.ExportLatex', {

static/plugin_dbui/src/grid/plugin/Export.js

@@ -24,13 +24,21 @@ Ext.define('App.grid.plugin.Export', {
     /**
      * @cfg {Array}
      * The LaTeX preamble.
+     * See for example http://fr.wikibooks.org/wiki/LaTeX/Mise_en_page.
      */
     preamble: [
-        '\\documentclass[a4paper]{article}',
+        '\\documentclass{article}',
         '\\usepackage[utf8]{inputenc}',
         '\\usepackage[T1]{fontenc}',
         '\\usepackage{hyperref}',
-        '\\usepackage{longtable}'
+        '\\usepackage{longtable}',
+        '\\usepackage[landscape,a4paper]{geometry}',
+        '\\usepackage{fancyhdr}',
+        '\\geometry{tmargin=2cm,bmargin=2cm,lmargin=1.85cm,rmargin=1.85cm}',
+        '\\pagestyle{fancy}',
+        '\\fancyhead{}',
+        '\\fancyfoot{}',
+        '\\rfoot{\\thepage}'
     ],
 
     // private properties for internationalization