Update sam-solutions/Linux_QA_program.md

fix references on external companies.
Added fixes from keritaf (https://github.com/keritaf)
Started Epam intro restructuration
Epam intro lecture restructurated
[SS] prepare infrastructure to input lectures
[SS] linux architecture and history to lection 01
Merge branch 'master' of github.com:d4s/linux_courses
[SS] move clipart to separate directory
[SS] lection 1 complete
[SS] 'uname' added
[SS] add ssh session automotion slide
[SS] Linux-QA workout 2 (shell) start
[SS] almost ready workout 2 (shell)
[SS] add missed info for scripts run, some formatting
[SS] shell variables details, some missing points to program also
[SS] Shell: variables, quotes, cycles
[SS] some shell resctructuring
[SS] move to xelatex use
[SS] shell: IFS details, source chunks reformated
[SS] move scripts arguments to separate file