Add `error' face
Improve `alect-selected-item' face

Make box line-width "-1" to prevent it from shifting the neighbouring
text.
Remove grep "faces"

These "faces" are actually variables and can not be themed like this.
Modify `lazy-highlight' face
Revise compilation faces

Some faces do not exist and some ("...-face") are actually variables.
Add auxiliary faces for buttons
Modify flyspell faces
Modify `menu' face, add `tool-bar' face
Update version (0.6.2)