Fixes for ISO compliance with countries and counties

Updates from ISO standard. See https://en.wikipedia.org/wiki/ISO_3166-2 for verification of changes.

Provinces:
India:
ID 1225 Uttaranchal rename to Uttarakhand
Add Indian Union territory: IN-CH, Chandigarh

Add for Ghana:
GH-CP Central
GH-EP Eastern
GH-NP Northern
GH-WP Western

Palestinian Territory > rename to ISO standard:
Palestine, State of

Add states for Saint Kitts and Nevis:
KN-K Saint Kitts
KN-N Nevis

Add missing states for Sierra Leone:
SL-E Eastern
SL-N Northern
SL-S Southern

China:
Typo, should be "Yunlin County" instead of Conuty.