Remove all @Deprecated things about *scan

* remove all @Deprecated methods about *scan
* rename ScanResult.getStringCursor() to ScanResult.getCursor()
** its original name
* let unit tests follow this change
Merge branch 'unsigned_long_cursor_remove_deprecated' of https://github.com/HeartSaVioR/jedis into HeartSaVioR-unsigned_long_cursor_remove_deprecated

Conflicts:
	src/main/java/redis/clients/jedis/Jedis.java
	src/main/java/redis/clients/jedis/JedisCluster.java
	src/main/java/redis/clients/jedis/ScanResult.java
	src/main/java/redis/clients/jedis/ShardedJedis.java