Handle './' and '../' sequences in filepaths; core/file_io.lua
New home page along with some documentation content and layout changes.
Updated copyright information.
Added Swedish translation from Niklas Wallén.
Added support for multiple entry boxes in inputdialogs.
Requires latest gtdialog hg (r67).
Small C code cleanup; src/textadept.c
Fixed bug with restoring views in buffers with word wrap enabled; core/ui.lua