Tagged Products.ZCatalog 2.13.22.
create maintenance branch
Merge c125294 from trunk
vb
Strip white space from name when adding a column or index.

I have seen this in a live site and it is tricky to figure out what is wrong.
Solution if it is too late: delete the column or index and recreate without the space.
For the column, rebuild the catalog.  For the index, index that particular index.
This is merged from trunk, r127898.
restore a way to have indexes handle query parameters other than the one with the same name as the index
add .travis.yml on this branch
fix bootstrap
prepare
vb
add a test that proves boolean index remains ok when a reindexation has
inverted the index value
BooleanIndex was wrong when index inversion occured
  when an existing content was reindexed with an opposite value.
  Fixes LP #1236354.
Put changelog entry into imperative mode.
prepare
vb
avoid some questionable micro-optimizations
Adjust `actual_result_count` for sorted queries where the sort index doesn't
contain all the documents. Fixes LP #1237141.
prepare
vb
Add a .travis.yml to the 2.13 branch