Change log:
2d04f51 (5.4.x) Upgrade dependencies; prepare for release
dd96f95 Fix compatibility with Java 8 compiler
11e1cc2 Fix code typo from the previous commit
aa7a47f GH-3488: Fix Persistent Filters with Recursion
7a64195 GH-3482: (S)FTP: Fix Recursive LS (ARFOG)
ab12b6b Fix maxMessagesPerPoll for reactive poll endpoint
d3ce5b5 GH-3473: Fix dead lock around lifecycleLock
23e277d GH-3477: Add DSL Docs for TCP Components
d4a4e24 GH-3463: Upgrade commons-net to 3.7.2