Create settings template file in config directory
Consolidate settings vars in config template file

- Remove separate .config and .secrets files
- Change include statements to use newly-required config file
Add missing config-file require to memegenerator script
Simplify configuration of incoming webhook
Remove define-like variables from config file
Update README.md with installation instructions
Fix php tags, trailing whitespace, and terminal newlines
Convert indentation to tabs
Standardize linespacing in/between function declarations
Reformat to modified PEAR coding standards
Revert overzealous comment reformatting
Parameterize userlink creation
WIP! Create cron-job script file
Fix includes and define pseudoconstants in cron script
Define function to fetch latest conversation posts from Rally
Rearchitect function placement to hint at OO code structure
Refactor function names for clarity
Add Slack utility functions
Add Slack utility functions
Add settings for rally cron job