sample update for using dynamic config
rearranging config map
adding PayPal image to samples
updated config method names in samples
updated wiki link in README.md and Samples
Merge pull request #6 from paypal/sapmleupdate103

sample update for using dynamic config
Update Configuration.php
updated stubs, version and CHANGELOG.md for 106 release
Updated sdk version
Merge pull request #8 from paypal/rel-2.5.106

106 release