update to 1.22
    
    - update to 1.22
    - re-apply following patches
     * 0001-Allow-leveldbjni-build.patch
     * 0002-Added-a-DB-SuspendCompations-and-DB-ResumeCompaction.patch
     * 0003-allow-Get-calls-to-avoid-copies-into-std-string.patch
     * 0004-bloom_test-failure-on-big-endian-archs.patch
    - drop patches already included in 1.22
     * 0005-Restore-soname-versioning-with-CMake-build.patch
     * 0006-Align-version-soversion-CMake-setup-closer-with-othe.patch
    - silence lint warning of "W: mixed-use-of-spaces-and-tabs"
    
    Signed-off-by: Kefu Chai <tchaikov@gmail.com>