added laptop version of lesson4-first_search_program and ps3-5
Merge branch 'master' of github.com:hhajar/gt

Conflicts:
	lesson4-first_search_program.py
Merge branch 'master' of github.com:hhajar/gt

Conflicts:
	lesson4-first_search_program.py
from laptop
deleted lesson4-first_search_program from laptop