Adding .gitreview and .gitignore to master

Change-Id: I2793a89b0b35b265300f039fc4be35866f4300fa
Revert "Updating Drupal 6.20 in trunk to Drupal 6.20-simpletest (with simpletest's D6 patch so we can actually run simpletest tests)"

This reverts commit a3c9c6958bada6919f8e0ee93f1c9256cfe25ec6.
.gitignore rules for the deploy branch

Change-Id: I047d66c3e16745300c2fb18d6bcf841f48b1b122