server: Add some getopt boilerplate to accept options from the commandline and print usage. Currently only accepts --port and --help options.

Improve the use of defaults on user creation. Also add a testclean make rule to get rid of the test directory.

newmain.c: In function ‘c_locale’:
newmain.c:1131: warning: implicit declaration of function ‘setlocale’
newmain.c:1131: error: ‘LC_CTYPE’ undeclared (first use in this function)
newmain.c:1131: error: (Each undeclared identifier is reported only once
newmain.c:1131: error: for each function it appears in.)
newmain.c:1131: warning: format ‘%s’ expects type ‘char *’, but argument 2 has type ‘int’
make: *** [newmain.o] Error 1

TODO: Find a sensible way of telling the user that they've been banned. 
Currently user only receives a "Session Closed" message

Some CSS changes to take account of this; not working in Firefox yet

Corrects title of the web page