Fixing typo.

"treees" is assigned and never called, should be "trees".
Subsequently, this assignment is recalculated at a later
stage, removing that.
Fixing whitespace inconsistencies in search function.
Fixing whitespace in tests and improving tests.
Merge pull request #62 from steventlamb/bug/fix_api_tests

Fixing CQL Filtering tests
Refactoring template tags to be more DRY. Adding tag.

The new template tag "unit_or_unknown" is used by one of
the implementation skins.
Merge pull request #63 from steventlamb/topic/refactor_ttags

Refactoring template tags to be more DRY. Adding tag.
Allow "Pests" to be a filterable category
Merge pull request #64 from ahinz/topic/pest-search

Allow "Pests" to be a filterable category
Fix bug introduced in 9f38bc0d0f

The species cultivar formatter was being called on all updates
not just on species updates
Merge pull request #65 from ahinz/bug/cultivar

Fix bug introduced in 9f38bc0d0f
Use impl settings for localized unit values
Merge pull request #66 from ahinz/topic/localize-bvalues

Use impl settings for localized unit values
Speed up the verify page by limiting results

The verify page is falling over with alarming regularity. This commit
forces each of the 4 data sources to only fetch 50 results. This could
lead to a bit of an awkward user experience but it is certainly better
than the status quo of a 502 timeout error.
Merge pull request #69 from ahinz/bug/verify-page-too-slow

Speed up the verify page by limiting results
Allow non-admins to approve pends

The setting:
"ADVANCED_USERS_CAN_ACCEPT_PENDING" (default: False)

Can be used to allow "advanced users" (based on reputation) to approve
or reject pending
Merge pull request #70 from ahinz/topic/allow-non-admins-to-optionaly-approve-pends

Allow non-admins to approve pends
Rotate photos based on EXIF orientation
Whitespace cleanup
Merge pull request #71 from ahinz/bug/rotated-images

Rotate photos based on EXIF orientation
Misc issues in the tree importer

Also uncovered a syntax error in "quicksave", which is apparently never
tested or used outside of the importer?