Initial commit
import leptonica-1.69

    http://code.google.com/p/leptonica/

    http://tpgit.github.io/UnOfficialLeptDocs/leptonica/
update after re-run autobuild
add handy macros to easy debug
implement more operation APIs for BOXA

    * l_int32   boxaShift()
    * BOX*      boxaGetBound()
    * l_int32   boxaSparseCompact()
    * l_int32   boxaSparseClearBox()
remove (duplicat?) prog/bak directory
list .gitignore to silent git status
misc refined and random fixed

    * silent gcc warnings
    * replace xzgv with display
    * don't limit gcc to ansi mode
    * poor image support in Android
    * write out images in the original resolution
build script for convenient
track word-boxes program