Merge #10948: p2p: Hardcoded seeds update pre-0.15 branch

f0acedd p2p: Hardcoded seeds update pre-0.15 branch (Wladimir J. van der Laan)

Pull request description:

  Just the usual
  ```bash
      curl -s http://bitcoin.sipa.be/seeds.txt.gz | gzip -dc > seeds_main.txt
      python3 makeseeds.py < seeds_main.txt > nodes_main.txt
      python3 generate-seeds.py . > ../../src/chainparamsseeds.h
  ```

Tree-SHA512: d73bbdca7de9cf9dd674abb402d6389ac961cb3daf7e3f32534524f6584cdb99b269320b8ab8f42f5d461f611948c6b80ae51ffe3a1312e8fc5e5266bd98be72

contrib/seeds/makeseeds.py

@@ -30,7 +30,7 @@ import collections
 PATTERN_IPV4 = re.compile(r"^((\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})):(\d+)$")
 PATTERN_IPV6 = re.compile(r"^\[([0-9a-z:]+)\]:(\d+)$")
 PATTERN_ONION = re.compile(r"^([abcdefghijklmnopqrstuvwxyz234567]{16}\.onion):(\d+)$")
-PATTERN_AGENT = re.compile(r"^(/Satoshi:0.12.(0|1|99)/|/Satoshi:0.13.(0|1|2|99)/)$")
+PATTERN_AGENT = re.compile(r"^(/Satoshi:0.13.(1|2|99)/|/Satoshi:0.14.(0|1|2|99)/)$")
 
 def parseline(line):
     sline = line.split()