Make root owner
Fix merge conflicts
Merge branch 'master' of github.com:efthialex/OS
Merge branch 'master' of github.com:efthialex/OS
Merge branch 'master' of github.com:efthialex/OS

pull shell.c and shell_v2.c from upstream
PPS Exams examples added
remove backup files
gitignore added
examples with signals added
ipc examples added
Merge pull request #2 from magkopian/master

PPS Exam Examples