consolidated v3_backend API changes

[gnomicosuw]

Notes:

• The items marked (TODO) can be done now.
• The items marked (LATER) are for later (when we implement those features)

Database

• [x] split 'parameters' into 'user_profiles' and 'parameters" table

Users

• [x] get users
• get users by first letter (TODO)
• [x] get user
• [x] add user
• [x] edit user permissions (for retire user)

User Profiles

• [x] get user
• [x] edit user info (name, email, phone, etc)
• [x] edit user permissions (admin access only)
• change password (TODO)
• [x] execute lab agrement
• [x] execute aquarium agreement
• statistics (LATER)
• budgets (LATER)

Groups

• [x] get groups
• get groups by first letter (TODO)
• [x] get group
• [x] add group
• [x] edit group
• [x] delete group
• add user to group (TODO)
• remove user from group (TODO)
• get groups for a specific user (TODO)

Parameters

• [x] get parameters
• [x] get parameter
• [x] add parameter
• [x] edit parameter
• [x] del

[bjkeller]

The following issues are for all of the listed TODOs/Laters:

497

499

501

503