- make several features work, even if not using BashStyle for theming the prompt
  1) colored grep output
  2) colored man pages
  3) treecd instead of cd
  4) lscd instead of cd
  5) setting shopts
  6) setting shell variables
  7) welcome message
  8) saving and restoring last used directory
  9) preventing dd from aborting at error
 10) setting aliases
 11) loading ~/.bashstyle.custom
 12) setting tab for menu-complete (called tab-rotation in UI)
 13) displaying birthday greeting
- minor improvements for creating readline, keybindings, vim and nano config files
- add debug messages for GIT configuration
- remove unused variables BSNG_* BASHRC
- share code between color-rc and ls-rc instead of duplicating some blocks
- export HISTTIMEFORMAT
- coding style updates '${var}' instead of '$var'
- coding style updates [[ x = y ]] && action where possible
- coding style updates then instead of then \ where still used
- coding style updates don't quote inside [[ ]]
- fixup random style choosing and move from random-rc into nx-rc
- bump ini-version in nx-rc to 11 aswell
- update rc_add for long no more existant BSNG_RC_GEN variable
- remove dbg_verbosity()
- add ven_get() get value of a variable from vendor configuration
- simplify assign()
- don't twice check whether to debug verbose
- several minor string changes in nx-rc
- coding style updates indention fixes
- simplify enabling syntax highlighting for nano
- don't check for long no longer existant variables in custom-rc