Fix install paths and default build flag

Ensure that paths are quoted.
Compile with -Os by default.

Signed-off-by: Christoph Lohmann <20h@r-36.net>

My libc wants _DEFAULT_SOURCE.

Release 0.6.

Noone likes -Wextra.

I don't have the time to care for X11 that much.

Adding more warnings and no debugging symbols.

Thanks Joerg Jung!

0.5 tabbed release.

Fixing the compile warning for setenv.

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.

Minor release version.

Releasing version 0.4.

next will be 0.3

next version is 0.2

reverting config.mk as it contains debug flags.

Handling maprequest. that means tabbed works for xterm.

first version is 0.1, cleanup config.mk

corrected compilation flags

embedding works nice now.

resizing works again, windows are getting managed.

removing surf-stuff, distributing tabbed on its own.

next version is 0.1