v6

build_profile task was split to profile and gprof
added task sanitize
default C++ standard set to c++11
added INCLUDE to default.config
moved LINKER_ARGS to the end of linkage command in functions.sh to properly link static libs
added function try_delete_dir_or_file for clean task
dead code removal in build_exec and build_static_lib

v5

added task clean
added task exec_dbg
added task build_profile
added -flto optimization to build_exec task
added -fprofile-use to build_exec task
removed default configs loading in init.sh, now reads just line with version from cbuild/default.config and default.config
OBJDIR structure changed
added error on unknown task in config
makefile now writes logs to make_raw.log
added makefile task fix_log
new comments in scripts and Makefile
wrapped arguments with quots in scripts
now you have to add CPP_ARGS to LINKER_ARGS manually
added error(msg) function to functions.sh
replaced printf calls with myprint in scripts
added default .gitignore
added *.log to .gitignore