apache2-mod_authn_otp-1.1.11-bp160.1.12

- Update to version 1.1.11
  - Fixed build issue with libapr on some systems (issue #48)
  - Added otplock(1) utility (issue #38)

- drop unmaintained apache-rex usage

- Update to version 1.1.10
  + Fixed bug in genotpurl on platforms with signed "char" (pr #46)
  + Added "-K" flag to genotpurl tool to specify key length (pr #43)
  + Update spec file description to include genotpurl(1)