Remove search-backend from Quick Tags

search-backend is no longer needed as a tag
Not removing all other references so as to preserve historical data
Clarify directions for pushplans

Enforce presence of config.yaml
Enforace PYTHONPATH
Add verbose UPDATING
Sort accepting pushes to the head
Add TemplateTestCase

TemplateTestCase provides the bare minimum needed to test
templates through rendering.
Basic test for Quick Tags in NewRequest template

Test for Quick Tag presence
Add test_servlet_addrequest
conditional IGNORE

MySQL supports INSERT IGNORE
SQLITE3 (used for tesitng) uses INSERT OR IGNORE
Refactor IGNORE db_uri logic
Replace custom prefix_with with InsertIgnore

Use dialect specific compilation rules to handle
INSERT IGNORE

http://docs.sqlalchemy.org/en/rel_0_7/core/compiler.html
Merge pull request #18 from milki/update_pushplan

Improve pushplan for pushplan tag changes
Merge branch 'upstream/master' into no_search

Conflicts:
	tests/test_servlet_newrequest.py
Follow-up merge - update test for pushplans
Merge pull request #17 from 'milki/no_search'

Remove obsolete search-backend tag
Merge pull request #21 from 'milki/accepting_pushes_at_top'

Sort accepting pushes to the head of the pushes list.
Merge pull request #22 from 'milki/addrequest_sqlite'

Replace custom prefix_with with new InsertIgnore clause
for sqlite3 compatibility.