Prepare ĞTest iteration 2

Meta issues for the list of tasks to complete for the launch of ĞTest Iteration 2

Config

• Set UD value from Ğ1, Set next re-evaluation date (#318): Set first_ud to 1148 (ĞTest Iteration 1 was set to null, defaulting to 1000)
• UD first reevaluation date should be set
• Set back EPOCH_DURATION_IN_SLOTS to 1 hour
• Set ValidityPeriod to 2 * YEARS

Dev

• Add a way to include signatures for genesis smi... (#312)
• Create a forum post outlining the process to apply as a genesis smith
• Add functionality to gcli to generate signatures for genesis smith certificates
• Remove distance oracle and compute distance in ... (#293)