i3: change colors to match solarized theme
i3: improve keybindings
i3: add keybindings to execute programs
i3: modify bar, use conky
i3: change default borders

floating windows: normal border
tiling windows:   1 pixel
i3: autostart and first rules
i3: modify conky

conky: add scripts and host-specific configuration
dunst: use this for notifications
dot: minor changes