write a Usage of collapsed&collapse() in createRange.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of compareBoundaryPoints() in createRange.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of cloneRange in createRange.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage of detach() in createRange.js

Signed-off-by: arcticlion <david.malan@aol.com>
add createTextRangeForIE.js

Signed-off-by: arcticlion <david.malan@aol.com>
write a Usage findText() in createTextRangeForIE.js

Signed-off-by: arcticlion <david.malan@aol.com>