* Add #! support for executable scripts on Linux.
Pass arguments to executable script unchanged if using "#!/usr/bin/env
coffee". (Previously, "./test.coffee -abck" would be turned into "-a -b -c -k",
for example.)
Fixes#1752.
* refactor option parsing
clean up parsing code and in the process fix oustanding bug where coffeescript
modified arguments meant for an executable script
* address comments
* intermediate save
* add note saying where OptionParser is used in coffee command
* add some more work
* fix flatten functions
* refactor tests
* make argument processing less confusing
* add basic test
* remove unused file
* compilation now hangs
* remove unnecessary changes
* add tests!!!
* add/fix some tests
* clarify a test
* fix helpers
* fix opt parsing
* fix infinite loop
* make rule building easier to read
* add tests for flag overlap
* revamp argument parsing again and add more thorough testing
* add tests, comment, clean unused method
* address review comments
* add test for direct invocation of shebang scripts
* move shebang parsing test to separate file and check for browser
* remove TODO
* example backwards compatible warnings
* add correct tests for warning 1
* add tests for warnings
* commit output js libs and update docs
* respond to review comments
also add tests for help text
* respond to review comments
* fix example output
* Rewrite argument parsing documentation to be more concise; add it to sidebar and body; add new output
* Don’t mention deprecated syntax; clean up variable names
4e57ca6833