Renames default test output with prefix. Refs #15.
Adds internal trick to force testing static error page. Refs #15.
Adds source rst used for error template. Refs #15.
Updates embedded error template with updated output. Refs #15.
Adds source rst used for safe error template. Refs #15.
Updates embedded safe error template with updated output. Refs #15.
Fixes error page js time interpolation variable. Refs #15.
Starts error handling documentation. Refs #15.
Adds custom error templates. Refs #15.
Adds embedded images to error pages for teh awesome. Refs #15.
Prototypes set_*_error_rst() procs. Refs #15.
Implements set_*_error_rst() procs. Refs #15.
Adds testing of custom templates to error suite. Refs #15.
Documents task in changes log. Refs #15.
Merge branch 'feature/t15_custom_error_html'