Merge pull request e2guardian#539 from e2guardian/v5.3.dev

V5.3.dev

Update version number

Fix duplicate copy/paste

Add files via upload

Polish e2guardian version number value with ICAP

Fix path authplugins

Fix path authplugins

Merge pull request e2guardian#411 from e2guardian/fixsgefault410

Bug e2guardian#410 segfault if neterrtemplate= doesn't exist

Merge pull request e2guardian#409 from e2guardian/fredpush

Fredpush

Remove debug message