Merge pull request #180 from FenixXx/release-1.10

[CONFIG] use the correct file extension for plugin configuration files
Merge pull request #181 from FenixXx/release-1.10

Coding standards
[FTP] fix ftpytail plugin failing to load
[TEST] delete test breaking the build process

for unkown reasons
[TEST] add again a test for the ftpytail plufin

and fix potential deadlock with publist test teardown method
[CVAR] fully comply with PEP8 coding standards
[CONFIG] fully comply with PEP coding standards + removed some warnings
[GAME] fully comply with PEP8 coding standards + removed hardcoded test case
q3a-parser rcon.py: fix name error bug
Merge remote-tracking branch 'remotes/upstream/release-1.10' into coding-standards