* API:

    - crypto, cpumask, packet_io, random: replace ssize_t with int32_t
    - crypto: add session destroy function
    - crypto: add error code for invalid IV
    - classification: Add documentation for missing macros
    - hints: add printf format attribute
    - errno: add api to public api
    - init: add missing documentation
    - packet_io: remove specific errno value
* test:
    * validation:
        - Makefile.am: restructure
        - pktio: free unexpected packets/events
        - pktio: destroy interface specific pools
        - pktio: destroy pktio input queues
        - pktio: fix odp_errno usage
        - buffer: split pool, buffer and packet tests
        - init: include stdlib.h for abort()
        - crypto: verify session_destroy
        - crypto: verify odp_crypto_operation() return code
        - queue: destroy created ODP resources
        - errno: add sunnyday test
    * miscellaneous:
        - Add CPP test
* bugs:
    - odp_init_log: fix clang format string error
    - buffers: remove obsolete debugging code
    - classification: fix unchecked return value
    - classification: fix incorrect ipv4 checksum update
    - example: generator: add missing doxygen documentation
    - pools: switch to simple locks for buf/blk synchronization
    - performance: fix c99 warnings as errors
    - crypto: handle copy error
    - system: read hugepage size for all architectures
    - queue: fix PKTIN queue destroy
* general:
    - add -std=c99 gcc flag by default, fix all warnings
    - handle copy error in odp_crypto_operation
    - fix all doxygen warnings
    - configured defines changed ODP_CONFIG_ and moved to config.h

Signed-off-by: Maxim Uvarov <maxim.uvarov@linaro.org>