Also check for string 'true' in write_settings_file.
Use fork from arangamani-cookbooks for application_php
Make the write settings file input a choice

- Make the write settings file input a choice of "true" or "false".
Add Github repository link
Add in missing marker cookbook stuffs.
Update README.md [skip ci]
Merge pull request #2 from rightscale-cookbooks/white_14_01_acu145262_write_settings_file_string_support

Support string in write_settings_file