CRVS: update client DB

[ageryck]

• [x] Birth Certification, add two columns on ec_child table

• Informant

• Informant Other

• [x] Update ec_family_member and ec_child with the following variables

• informant_name

• informant_relationship

• informant_address

• informant_phone

• official_name

• official_ID

• official_position

• official_number

• [x] create additional Birth Certification events on Birth Summary, Out of Area Child Registration

[ageryck]

Issue resolved