Merge pull request #121 from dorssar/master

Just an update of readme.md

Author: Olivier Chédru

README.md

@@ -92,6 +92,10 @@ Shade alternate rows:
 ```java
 ws.range(0, 0, 10, 10).style().shadeAlternateRows(Color.GRAY2).set();
 ```
+or shade every Nth row (e.g. every 5th):
+```java
+ws.range(0, 0, 10, 10).style().shadeRows(Color.GRAY2, 5).set();
+```
 
 ### Formulas
 
@@ -101,6 +105,37 @@ ws.formula(10, 0, "=SUM(A1:A10)");
 // With Range.toString():
 ws.formula(10, 0, "=SUM(" + ws.range(0, 0, 9, 0).toString() + ")");
 ```
+
+### Additional worksheet features
+Set page orientation (visible in print preview mode):
+```java
+ws.pageOrientation("landscape")
+```
+Set bottom, top, left, or right margin:
+```java
+ws.leftMargin(0.3)
+ws.bottomMargin(0.2)
+```
+Create a freeze pane (some rows and columns will be kept still while scrolling).\
+To freeze the first column on the left and the top three rows:
+```java
+ws.freezePane(1, 3)
+```
+Set header and footer content.\
+To set page enumeration in the top right:
+```java
+ws.header("page 1 of ?", Position.RIGHT)
+```
+To set custom text in the footer (bottom left):
+```java
+ws.footer("Generated with Fastexcel", Position.LEFT, "Arial", 10) 
+```
+To provide sheetname in the bottom central position:
+```java
+ws.footer("sheetname", Position.CENTER, 8)
+```
+
+
 ### Multithreaded generation
 
 Each worksheet is generated by a different thread.