Improve iText GAE support thanks to :
- https://github.com/pascalleclercq/itext-gae-1
- https://github.com/pascalleclercq/appengine-awt
- https://github.com/pascalleclercq/sfntly-java
cleanup
Fix problem to load docx with entry name which uses '\' (see
https://code.google.com/p/xdocreport/issues/detail?id=234)
switch itext-gae groupId to fr.opensagres.xdocreport.itext-gae
Merge branch 'master' of https://pascal.leclercq@code.google.com/p/xdocreport/
Fix pb with build.
add missing package.

see : https://code.google.com/p/xdocreport/issues/detail?id=238
Merge branch 'master' of https://pascal.leclercq@code.google.com/p/xdocreport/
ACCEPTED - task 238: PDF Images lost at xdocreport 1.0.0 in felix osgi
container 
http://code.google.com/p/xdocreport/issues/detail?id=238
Fix pb with NPE numbering
https://code.google.com/p/xdocreport/issues/detail?id=239
Keep the indentation left+hanging from the paragraph properties if it
overrides the indentation left+hanging from the numbering level
properties. See
https://code.google.com/p/xdocreport/issues/detail?id=239
Fix build pb + add Issue222 docx.
ACCEPTED - task 238: PDF Images lost at xdocreport 1.0.0 in felix osgi
container 
http://code.google.com/p/xdocreport/issues/detail?id=238

Fix the build...
Merge branch 'master' of https://pascal.leclercq@code.google.com/p/xdocreport/
Adjust docx margin bottom/top according heeader/footer. See
https://code.google.com/p/xdocreport/issues/detail?id=240
ACCEPTED - task 238: PDF Images lost at xdocreport 1.0.0 in felix osgi
container 
http://code.google.com/p/xdocreport/issues/detail?id=238
Merge branch 'master' of https://pascal.leclercq@code.google.com/p/xdocreport/
Manage text-align for docx text styling. See
https://code.google.com/p/xdocreport/issues/detail?id=243
Fix NPE with docx text styling.
manage text styling docx bold, italic, strike, underline with style.