OTPseudonym: replace OTCleanup with std::unique_ptr
OTPaymentPlan: replace OTCleanup with std::unique_ptr
OTTransaction: replace OTCleanup with std::unique_ptr
OTSymmetricKey: replace OTCleanup with std::unique_ptr
Merge pull request #108 from lclc/otpseudonymCleanup

OTPseudonym , OTPaymentPlan, OTTransaction, OTSymmetricKey: replace OTCleanup with std::unique_ptr
Updated Travis CI S3 keys.
Merge pull request #111 from murrekatt/travis

Updated Travis CI S3 keys.
Moved stash related stuff into script.
Merge pull request #112 from murrekatt/move_stash

Moved stash related stuff into script.