Log Message:
scrot: update to 1.7. take maintainership.

Version 1.7

 * Fixed: code style, add missing final newline.
 * Fixed: autogen.sh: fix some shellcheck issues.
 * Replace insecure c-strings functions (following libbsd integration).
 * New option: --select=hole (-shole), hole selection area.
 * New option: --select=hide (-shide), hide selection area, support image.
 * New option: --select=blur (-sblur), blur selection area.
 * New option: (-) add redirection to standard output (format PNG).
 * Improvement option: --stack, add an optional join direction (v/h).
 * Fixed: free memory image and font resources.
 * Bug fixed: segfault if mouse cursor image was not obtained.
 * Use err/warn functions (following libbsd integration).
 * Others various code improvement.
 * Added new library dependency: libbsd.
 * Autotools: added option --without-libbsd.
 * Improvement: Autotools: remove unused files, remove obsolete macros, assume
   C89 functions exist, delete scrot.spec.
 * Improvement: remove unused C macro, use strndup function, use designated
   initializers (C99).
 * Improvement: Doc: polish the txt2man manual, CONTRIBUTING.md, TODO.md.
 * Others various code improvement.
 * New option: --file (-F), provide the filename as an option.
 * Fixed: code style guideline violations (WebKit).
 * Use strlcpy/strlcat (following libbsd integration).
 * Fixed a mistake in README.md.
 * Convert all source files to the WebKit style.
 * New option: --ignorekeyboard (-i), Don't exit for keyboard input. ESC still
   exits.