* Email embed graphs
* Allow attachment for non-html
Add setting to webui
Correct $auth setting
* Cleanups, throw RrdGraphException instead of returning an error image.
Generate the error image later, giving more control.
Reduce code duplication a little
* Style and lint fixes
Change to flags
* Add baseline for lint errors I don't know how to resolve
* oopsie, changed the code after generating the baseline
* Tiny cleanups. Make set DeviceCache primary, it is free.
* Docs.
* email_html note
* Allow control of graph embed at the email transport level to override the global config.
* Allow control of graph embed at the email transport level to override the global config.
* Add INLINE_BASE64 to make it easier to create inline image tags
* RRD Graph optimization
Do not use temporary files to generate graphs
Don't start up a process to pipe commands to, just run the command
Error image improvements
* fix style issues
* run the rrdgraph command in the rrd directory
* RRD Graph optimization
Do not use temporary files to generate graphs
Don't start up a process to pipe commands to, just run the command
Error image improvements
* fix style issues
