add setup script
add application icons and license file
change sijax path to fix permissions bug on Linux

App crashed on Linux because regular users do not have the permission
to write to /usr/bin/. Sijax directory is now being created in the
appdata directory (~/.braindir_uploader on Linux) instead.
fix location of local_path when launched from a symlink

Get os.path.realpath() of local_path in order to fix Internal server
error on Linux caused by the file in /usr/bin being a symlink of the
binary next to which the templates/ and static/ directories are located.
add readme
rename license file
add project and issue tracker URLs
add BrainDir uploader icon to readme