Remove 'glances_' prefix from filenames.

Disable CPU, MEM, SWAP and LOAD done. Had to change the glances_curses module to compute the QL size

- import statements are in the wrong order.
- missing whitespace around arithmetic operator
- blind except: statement
- multiple imports on one line
- trailing whitespace
- blank line contains whitespace
- line break before binary operator
- missing whitespace after ','
- block comment should start with '# '
- multiple spaces before operator
- 'logger' imported but unused
- expected 2 blank lines, found 1

- First line should end with a period
- No blank lines allowed after function docstring
- 1 blank line required between summary line and description
- 1 blank line required before class docstring
- Multi-line docstring closing quotes should be on a separate line
- No whitespaces allowed surrounding docstring text
- One-line docstring should fit on one line with quotes
- Use r""" if any backslashes in a docstring

A setter method always takes a parameter and does not return a value.

Rename 'set_stats_snmp' method to 'get_stats_snmp'.

Empty sets evaluate to False.

Correct check issue error in client/server mode (issue #459) + exit on check failed + correct another issue on Linux CPU SNMP

Clean up import order.