Added set style method to ChangeLogDialog

Added set style method to the class ChangeLogDialog.
Expanded the demo project for an example on how to use the new method.
Added class WhatsNewDialog

New class WhatsNewDialog and a sample project to demonstrate the new
class.
Added support for a summary attribute

Added support for a (optional) summary attribute in a release node.
Thanks go's out to Felix for his input and proof of concept code.
Added support for date attribute

Added support for a (optional) date attribute in a release node.
Thanks go's out to Felix for his input and proof of concept code.

Note that the format for the date is "MM/dd/yyyy", the date will be
shown in local format. If the date does not comply to the format the
date will be shown as is.
Mavenized project
added german translation
many improvements

- fixed coding style (applied standard android/java style)
- improved string concatenation to avoid unnecessary allocations in loo (hint: avoid + operator in loop)
- applied fix mentioned in issue #2
added a dismiss listener

- this is very useful if you want to change the activity once the dialog has been closed (e.g. in a splash screen activity)
fixed copy&paste error
Add russian translation
Whitespaces tweaked

Replaced some tabs to spaces and added newlines to strings.xml
Merge pull request #3 from hameno/dev

Mavenized project and other improvements
Merge pull request #4 from pepyakin/master

Added russian translation
Updated readme

Added class what's new dialog and sample project.
Update README.md
New function getHTML()

Added new function getHTML() to the ChangeLogDialog class.
The function returns the change log in HTML format for usage in a custom
activity or dialog.
Example for new getHTML function

Extended the change log sample project.
Added a button to show a custom activity that uses the getHTML function
to show a change log.
Merge pull request #6 from MartinvanZ/dev

Release 1.1