fix #26
fix #27
fix #28
add help text #29
add date visit into patient form #30
add history of change patient info
Merge branch 'master' of github.com:egorlutohin/geneticist into egorlutohin-master

Conflicts:
	apps/patient/models.py
	templates/patient.html
	templates/patient_edit.html
fix double save patient info
fix syntacs bug
add not working user_profile
can edit user_profile
required mo work into user_profile
close #32, #33
fix in_group template tag
fix calendars into patient info
fix calendar (see prev commit)