done(frontend hookification)

• Hookified all fields

• Hookified all service components

• Hookified Downshift multiple

• Hookified maps (remaining class components are a bit harder to hookify)

• Big update to custom hooks replacing redux to make sure there is no bugs

• Reoganized scholarship & fixed creation bugs

• onSave instead of invalidateGroup in moduleGroupWrapper

• Fixed currency bugs

• Fixed editor not invalidating data on save

• Fixed duplicate requests

• Change link style, to something more normal

• Cleaned conditionnal jsx

Fixes #126 (closed)