1.14.2-ls21

LinuxServer Changes:

Rebasing to alpine 3.10.
FreshRSS Changes:

• Milestone
• Discussion

Changelog:

• Bug fixing (regressions introduced in 1.14.X)
  • Fix PHP 5.5- compatibility #2359
• Bug fixing (misc.)
  • Fix minor code syntax warning in API #2362
• Misc.
  • Add Travis check for PHP syntax #2361