* fixed private repositories are hidden in the organization's view
* use go-bindata integrate public and templates files to gogs binary
* optimize Dockerfile don't COPY public and templates files
* use kevinburke's go-bindata to generate assets code
* reset develepment as default run mode in configure file
* optimize generated assets code relayout and help function
* fixed code format
* Update conf/app.ini
* assets: add LICENSE headers
* Some housekeeping
* assets/public: simplify code logic
* assets/templates: simplify code logic
* cmd/web: more concise variable names
* Minor changes
* Add custom public and templates support back
Co-authored-by: ᴜɴᴋɴᴡᴏɴ <u@gogs.io>
