[install.sh] Relative path not work when specify destination directory.

[samwhelp]

Problem

Absoue Path Work

$ ./install.sh

$ ./install.sh -d "$(pwd)/test"

$ ./install.sh -d "$(pwd)/../test"

Relative Path Not Work

$ ./install.sh -d ./test

$ ./install.sh -d ../test

How to fix

Orginal

Line: 59-60

  cd ${THEME_DIR}
  sed -i "s/${name}/${name}${theme}${color}/g" index.theme

Simple Fix

  #cd ${THEME_DIR}
  sed -i "s/${name}/${name}${theme}${color}/g" ${THEME_DIR}/index.theme