Added special step for file validation

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Move the verifications to the H2HFileManager

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Prepare swapping protection keys

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Implemented the switch of the meta document's protection key

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Change the key in separate step

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Take random NodeID

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Some renamings and comments

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Small share fix

Signed-off-by: Nico Rutishauser <nr@hotmail.ch>
Merge branch 'file-observer'