projects description updated
Merge remote-tracking branch 'origin_fork/master'
Merge pull request #7 from PavelShmigel/master

to_check/project_task.scs
Merge remote-tracking branch 'origin_fork/master'

Conflicts:
	to_check/project_task.scs
kpm project tasks fixed
SCs, SCn introductions updated
SCn description updated
1) search agents sources added
2) bugs fixed
performers order added
several sections to check