Changes to aliases and restart tools

- added _restart_plasma utility funtion
 - made python aliasing more robust
 - added pip enviornment config to avoid nag messages
 - moved toolchain setup to a single file

misc.sh

@@ -14,6 +14,8 @@ export LESS=RF	# colorize less output if we use a pipe
 export HISTSIZE=10000
 export HISTFILESIZE=20000
 
-
+# added to avoid the need for --break-system-packages when using newer versions
+# of PIP.
+export PIP_BREAK_SYSTEM_PACKAGES=1
 
 export HISTIGNORE='pwd:exit:fg:bg:top:clear:history:ls:uptime:df'