added jsignature gem. added electronic run records with electronic signature fields
merged new master with branch run_records
Merge branch 'master' into run_records
Merge branch 'master' into run_records

Conflicts:
	Gemfile.lock
Merge branch 'master' into run_records

Conflicts:
	Gemfile
	Gemfile.lock
added preliminary electronic run record support
Merge branch 'master' into run_records
added electronic run records