Add license check target and some bash utils

BREAKING CHANGES:

• BINARIES_PATH move from $(CURDIR)/bin to $(CURDIR)/.bin
  Please update your .gitignore file from ignore bin/ dir to .bin/!
• common/git/check/has-diff - now output new files not in index-tree, if FILES_TO_CHECK and FILES_TO_SKIP

Add:

• Makefile variables:
  • GET_GIT_FILES_SEPARATOR - files list separator using to output in bash function get_git_changed_files
• Next bash utils functions in includes defines:
  • INCLUDE_STRINGS - some string urils
    • append_str_with_separator - append string to end with separator
      prefix and return
    • append_str_with_new_line - call append_str_with_separator with new
      line separator
    • shift_str_on - split string by new line and add prefix (shift) for
      each line
      • shift_str_on_tab - call shift_str_on with tab prefix
      • escape_re_str - escape string as regexp string (to pass to grep)
  • INCLUDE_FS_CONSUME - call function with glob find
    • toggle_globs - enable/disable next globs params dotglob nullglob
globstar
      • is_glob - check passed string is glob string
    • do_in_dir - cd to dir and do function, after call returns to
      current dir.
      • foreach_dir_by_glob - call function for each file found by glob
  • INCLUDE_GIT_OPS - some git operations
    • is_git_repo_has_not_changes - returns 1 if git repo has diff
      (uncommit changes)
    • get_git_changed_files - returns 1 and echo list of files have
      changes in one string separated by $(GET_GIT_FILES_SEPARATOR)
• Targets:
  • common/git/check/no-changes - check that git repo has not
    uncommitted changes
  • common/license/check - check that all files with extension have
    license head

Changes:

• common/git/check/has-diff - add param SKIP_NEW_FILES to skip
  adding new files to diff

Fix:

• remove git pull in install/upgrade sections in README

Chore:

• move strings utils defines to 00-strings.mk
• refact code to new bash utils functions
• upgrade jq version to 1.8.2
• some formatting fixes in README