Added ViadeoApi and example
Merge pull request #348 from Dachaz/master

Added support (and an example) for Viadeo
add support for LinekdIn scopes
typo
added findbugs + maven task to check at compile time
make constructors private since these classes aren't meant for creating instances
minor fixes
removed apache commons dependencies since there is a way to base64-encode an array of bytes in the JDK (though it's hidden)
remove generic warning
version bump for release
Create an AWeber example.
Merge pull request #354 from srelsner/aweber-example

AWeber api and example.
added optional commons-codec dependency

there are some platforms (e.g. android) that do not have by default the java.xml.bind package. The solution is to use the commons-codec implementation if it's on the classpath and fallback to java.xml.bind
make status message available on response
Merge pull request #362 from NetForce1/master

make status message available on response