build
adding user agent in curl calls for downloading dependency
Merge branch 'v2.3.101' into stable
Merge branch 'stable'
Fix broken __construct() function in AdaptivePaymentsService.php

The fact that the variable was removed, led me to a problem that is not too pleasant to deal with. The SDK Wasn't allowing me to use it with a config of my own(dynamic). Hope this helps!
Merge pull request #3 from pennycoders/master

Dynamic config not working anymore.
Moving sdk_config.ini to samples folder and updating installation script / README.md
Fixing PPBootStrap.php to use new sdk_config.ini location and rolling back version upgrade
Updating installation instructions in README.md/installer
Merge branch 'installerfixes'

Conflicts:
	lib/services/AdaptivePayments/AdaptivePaymentsService.php
Update composer.json
Merge remote-tracking branch 'origin/master' into namespace-php5.3

Conflicts:
	composer.json
	lib/PayPal/Service/AdaptivePaymentsService.php
	lib/services/AdaptivePayments/AdaptivePayments.php
	samples/PPBootStrap.php
	samples/composer.json