updated documentation

README.md

@@ -65,6 +65,9 @@ results.
 - **-r, --resume**: Restart an interrupted process with the last executed module
 that failed.
 - **-R, --no-root-check**: Disable checks on root rights (or the 0 UID).
+- **-D, --no-deps**: Disable module dependencies checks.
+- **-P, --no-proxy**: Do not hot apply proxy setting to the running system even
+if system proxy is set in configuration files.
 - **-h, --help**: Display information on command line usage.
 - **-s, --shell**: Launch a shell with entire script's environment for
 debugging purpose. No action or modification is made to the system unless you
@@ -103,7 +106,9 @@ will be done, triggering errors in case of inconsistency or incompatible
 options.
 
 Finally, checking processes are launched in their declaration order (cf.
-configuration file). If no error occurs and after a confirmation prompt, final
+configuration file). A module depency check is made prior to the module specific
+checks unless the *--no-deps* option is given or if a manual module list have
+been transmited. If no error occurs and after a confirmation prompt, final
 treatment processes, those that actually makes changes, are launched.
 
 Without the *--keep-going* option, any error will immediately stop execution.