DHTMLSelects take advantage of being locatable
lazycache method decorator!
Merge pull request #611 from seandst/lazycache

lazycache method decorator!
This was breaking the docs :(
conf load errors downgraded to warnings

The lack of a config file can eventually trigger ImportError, which
(among other things) breaks our docs build. It's also really rude.
This is now a warning, which prints a nice error message without
breaking everything.
Merge pull request #614 from seandst/docs-fix

conf load errors downgraded to warnings
DB queries
Update configure navigation to work
Merge pull request #613 from mfalesni/some_db_queries

DB queries
Merge pull request #609 from seandst/select-loc-oops

DHTMLSelects take advantage of being locatable
Crappy workaround for #618
Created exceptions for all cases
Added ScriptBox element

ScriptBox() class added for customization template page
Added some extra logging for flash messages
Added page_controls_exist() method
Simple docs fix
Added entire suite of page models for PXE

* PXEServer()
* CustomizationTemplate()
* SystemImageType()
Intersphinx support, local rtd docs theme
Added tests for PXE

* Added PXE Server CRUD tests
* Added Customization Template CRUD tests
* Added System Image Type CRUD tests
* Added RHEL template file
lazycache is easier to read, doesn't eat docstrings