Move sqlite to vendor
This commit was manufactured by cvs2svn to create tag 'v_3_7_15_2'.
Import sqlite 3.7.15.2 (trimmed)
Import sqlite 3.7.7.1
Vendor import sqlite 3.7.5 (very trimmed)
import sqlite 3.6.23 (very trimmed)
Import sqlite 3.6.11
import sqlite 3.5.8 (very trimmed)
Update to sqlite 3.5.4
Update to sqlite 3.5.4.
Update to sqlite 3.4.2
Import sqlite 3.3.17 (very trimmed)