* master: (22 commits)
Fix upper-case test
autload
- update NEWS - only source global in server.R mode - only use intermediary environment if opted-in to autoloading.
Only use loadSupport if opted-in to autload.r
Fix default param
Make loading helpers opt-in.
Clarify docs
Update to new signature in test.
Move global.R sourcing into an exported load function
Only load top-level R files in R/
Require capitalized R/ dir.
Correct mistake around app.R in global
Add news
Fix options test
Test ui/server/app/global sourcing.
Revert "DI the source function for testing."
DI the source function for testing.
Load helpers into isolated environment
Fix expectations.
Add dynamically-generated case-sensitive test.
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