nfdump-1.7.3

Nfdump-1.7.3 adds zstd compression speeds compression (multi threading) and adds compression levels.
Furthermore it fixes some nfprofile issues.

Other changes:

5e2aef9: Improve error handling in privsep.c
584453e: Fix #459. change vars to uint64_t
696f563: Merge branch 'master' of github.com:phaag/nfdump
ec1f121: Allow direction status > 2, althogh not defined
c2c097f: Fix #452 - to add GeoInfo
1163722: Merge branch 'master' of github.com:phaag/nfdump
c51ce1f: Fix #448 man page type
de9811c: Cleanup unused extensions. Implemented as arrays. Collect Juniper inline-monitorig packet data. Data is not yet decoded.
3a810ad: Add types for Juniper inline-monitoring. No decoding yet
130fafe: Update test sequence for compression levels
14be8fb: Cleanup nffile struct
f9515d2: Fix potential compressed appendix corruption
4b7c42a: Update Readme for building instructions on older Ubuntu 18.04 LTS
837419b: Fix broken installation of nfdump.conf.dist
df4fc16: Cleanup all compress files into sub dir
6c47de5: Move conf subdir to nfdump library. Fix linker errors
18f7bc5: Add maxworkers to nfdump.conf
336cb05: Make count check more dynamic in v5
1a71629: Fix nfsen #15 on RH
65ea877: Bark if rename fails
8802fa0: Add zstd to QueryFile()
98385f2: Cleanup and fix minor bugs
91aeeb8: Enable multiple writer threads, depending on number of Cores online
a9a4322: Update Readme
92f8d01: Update Readme
2efd259: Add zstd compression
cb254b1: Enable lz4 compression levels 3..12
3b7b92f: Update lz4 code
8123283: Add code for compression level handling
c6fedc0: Update compression code
c8c98d0: Add compresson level parsing
7413188: Fix parsing compression option to work for all possible options
12a90b4: Adapt -J option in nfdump to new compression spec, being still compatible with old one.
a1f4f19: Print usage() if no arguments are given
d8620c0: Update man pages
e928c42: Unify compression arguments. Use now -z= for compression. Accept still old -j and -y for now
e8ee2fc: Remove static var for lzo wrkmem
f2ddf67: Cleanup nfprofile and fix issue #398
69e4d98: Add syslog by default for nfprofile
7041498: Add file verification for nfprofile
efd28ad: Cleanup nfprofile code
b54e266: Make geolookup more robust reading buggy files
d90d561: Add flush() for nfprofile
399014d: Move from c11 to c17 compile standard
7b791a1: Cleanup profile code
27d65be: Prevent loading geoDB if not needed
f3a174f: change var name
2c5678f: Add BlockReports
18a34c1: Update nfprofile
43f3f14: Fix last commit
881707e: Remove blockqueue. Reduce memory footprint
e10c2ef: Code cleanup
af0f43e: Code cleanup
2944ac9: Make consistent protocol ID for nfd raw
0742648: Code cleanup and minor bug fix
328daaf: Rework QueryFile code and cleanup
058cecb: Merge and cleanup nfpcapd and nfreplay code for sending raw records
2864358: Add nfdump protocol for nfreplay