Bump version number in common.pro to prepare for 0.2.15 release tag
Bump version number in common.pro to prepare for 0.2.15 release tag

Signed-off-by: Kaitlin Rupert <52c295f769a5ee1acd0461c5e936aac51b08fa06@intel.com>

meego-tablet-ux/meego-app-contacts,meego-tablet-ux/meego-app-contacts,nemomobile/qmlcontacts,nemomobile/qmlcontacts