TWILL-135 Update the pom.xml to get Java7 API link and update copyright year

Since latest version of Twill requires Java7, need to update pom.xml to have
the right JDK api link and also update the year in the copyright notice for Twill JavaDoc

This closes #40 on GitHub

Signed-off-by: Terence Yim <chtyim@apache.org>
1 file changed