DOC: Update README.rst: installation
ENH,DOC: Add tmuxp to requirements/requirements-suggests.txt; docs links
CLN: xlck.sh namespacing
BUG: .pythonrc IPython upgrade
CLN: moved settings from .bashrc -> .bashrc.venv.sh
BUG: Rename screensaver.sh -> xlck.sh; getopts parsing, comments

--HG--
rename : etc/screensaver.sh => etc/xlck.sh
CLN: split bash files into separate files
CLN: Move .bashrc.* to ./etc/bash

--HG--
rename : etc/.bashrc.venv.sh => etc/bash/10-bashrc.venv.sh
rename : etc/.bashrc.vim.sh => etc/bash/20-bashrc.vim.sh
rename : etc/.bashrc.aliases.sh => etc/bash/40-bashrc.aliases.sh
rename : etc/.bashrc.repos.sh => etc/bash/70-bashrc.repos.sh
Merge: BLD,TST,ENH get_salt_sources.sh, compare_installed, autorebuild,
setup_ambiance_radiance_themes.sh