automatically setting FORCE_SCRIPT_NAME and STATIC_URL
shrinking line
adding sendfile to the nginx sanza
web config cleanup
using rstrip
removing white spaces
unifying timeout
refactoring duplicates
removing unnecessary configuration
reverting client_body_temp_path as needed
Merge pull request #2753 from aleksandra-tarkowska/rebased/dev_5_0/static_on_custom_location

nginx config template improvement (rebased onto dev_5_0)