configuration: add 'ignore-config-errors' switch
man: update the description of window_border_color
change version to 0.6.2
change version to 0.6.1
update NEWS and change version to 0.6
update NEWS and change version to 0.6_beta5
update NEWS and change version to 0.6_beta4
news: fix typo
update NEWS and change version to 0.6_beta2
news: mention readline library support