Added source code of current APR release, 1.5.1
Removed threading dependency in dir i/o tests
Added simple aprtrace logging library for shimming APR functions
Added simple scripts to compile and run everything
Homogenizing whitespace in apr_src/file_io/unix/*.c to improve readability of following commit
Instrumented all file i/o functions except printf and pool_get. Info on how each func is logged is in tracing/instrumented_apr_func_info.txt
Marked the APR funcs never run by the file i/o tests
.gitignore'd all APR post-build files
Fixed apr_file_close() tracing bug where fd wasn't grabbed before destructive close
Marked as nested all intra-APR calls to public APR file i/o functions
Copied over the C CheckAPI framework from c_example/ to apr_checkapi/
Changed various model code to reference APR (rather than the old abccrypto toy lib)
Made parser skip blank lines
Added a copy of APR src for the model. Non-unix .c and .h files were left out, as the model will be compatible with unix only
Added scripts and py references to model src
Added missing build file in model src
Added model src post-build files to gitignore
Slipped common code into APR build to set up python funcs (oracle, fs, etc.) that various model funcs will call
Started apr_file_open()