add some sample git commands to the README file
update rebuild script to remove unwanted .gitignore files
add themes, modules and libraries that were omitted previously due to .gitignore
remove .gitignore file from opencivic project
add instructions for removing all empty directories
disable ocsetup module
disable ocsetup module
update opencivic_application and opencivic_core modules to add icon fields to taxonomies
additional work to fix taxonomy icon fields
update opencivic_application and opencivic_core features to fix icon fields for taxonomy terms