New windows should be in the foreground.

Changing the single-linked list for clients to a malloc()ed array. This makes
algorithms more efficient, that depend on the number of clients or shuffeling
around. The patch also adds new shortcuts to move tabs in their position. The
default color scheme is changed to the one of the maintainer.

new default colour scheme

added generic client support (thanks Stephen)

improved focus handling

tabbed remembers last viewed tab; open new tabs focused/unfocused can be configured now.

using dwms/dmenus colors.

fixing bindings to move()

code cleaning, windows are properly closed on exit; if last client quits, exit

storing windowId in char[] variable.

fixing config.def.h

removing autostart. using stdin instead.

added classhints, tab-clicking works again.

tabbed works.

implementing spawntab(), rewriting run()

adding killclient, removing wmhints

removing surf-stuff, distributing tabbed on its own.

merge

changing keybindings

event system works, some code arranging