Preserve HttpConnection stacktrace #33
Merge pull request #34 from chafikhnini/master

Preserve HttpConnection stacktrace #33
issue-36: Log Throwable in LoggingManager#severe

Log the Throwable in overloaded method 'severe' of class LoggingManager
Merge pull request #37 from reinholdbentele/master

issue-36: Log Throwable in LoggingManager#severe
Included token expiry time. OAuthTokenCredential now exposes how long the access token is valid with method OAuthTokenCredential.expiresIn()
Merge pull request #39 from franatique/master

Included token expiry time.
Merge branch 'stable'
Merge branch 'master' of github.com:paypal/sdk-core-java
Change SSL to TLS for Poodle issue
Bump up version
Merge branch 'ssl-fix' into rel-1.6.4
Merge branch 'rel-1.6.4' into stable