2.0.0-beta.2

Changes:

• 1609b04 Master merge 2.0.0 (#2927) [ #2866, #2848, #2892, #2897, #2899, #2914, #2714, #2917, #2906 ]
• fd6fe35 Revert #2813 (#2920)
• 93bcb23 Add 3rd contact to SECURITY.md (#2902)
• d03a81f commit cargo.lock (#2875)
• 5ebe2aa Generate txhashset archives on 720 block intervals. (#2813)
• dfb4d5a set version number to next (possible) 1.1.x version

This list of changes was auto generated.