Added mytop to distribution (with some small trivial changes to make it workg good also for MariaDB)

scripts/CMakeLists.txt:
  Added mytop
scripts/Makefile.am:
  Added mytop
scripts/make_binary_distribution.sh:
  Added mytop
scripts/make_win_bin_dist:
  Added mytop
scripts/mytop.sh:
  Added mytop (with some small trivial changes to make it workg good also for MariaDB)
support-files/mysql.spec.sh:
  Added mytop