1.change ShowContentActivity.java to ShowOfficeActivity.java
2.add waitting dialog when opening documents
3.tested pdf reader
4.modified application directory tree
5.change some picture save path
1.add class	CodecContext.java
			CodecDocument.java
			CodecPage.java
			VuDroidLibraryLoader.java
			PdfContext.java
			PdfDocument.java
			PdfPage.java
for get png from pdf files
2.add C libary
3.add read word and excel from cache
remove some uninital files
1.using new native library
2.using single thread parse pdf page
3.improve scrolling experience
1.add zoom listener for pdf show zoom
2.fixed pdf zoom bug
1.modified ZoomListener.java
Merge branch 'ht'

Conflicts:
	.classpath
	bin/classes/team/top/activity/MainActivity.class
	src/team/top/activity/TestContentActivity.java

	1.add camera test rotate
Merge pull request #8 from TopLittelbob/master

merged your branch