Commit [06d1ea] Maximize Restore History

Merge branch 'introduce-syscalls-operations'

Add 'syscalls' boolean option to 'cpoptions' option. It makes vifm
prefer to perform file-system operations with external applications on
rather then with system calls. {EXPERIMENTAL}, {WORK-IN-PROGRESS}. The
option will be eventually removed. Mostly *nix-like systems are affected.

Add implementation for directory and file removal, file, directory and
symbolic link creation with system calls. Available only if 'syscalls' is

xaizek xaizek 2014-07-22