Updated readme examples

Author: pditommaso

README.md

@@ -36,8 +36,6 @@ You can to execute the command `nextflow -h` to show the program help.
 Create a file named `hello.nf` with the following content and copy it
 to the path where you downloaded the Nextflow package.
 
-    echo true
-
     task {
         """
         printf 'Hello world! \n'
@@ -48,7 +46,7 @@ to the path where you downloaded the Nextflow package.
 
 Launch the above example by typing the following command on your terminal console:
 
-    ./nextflow -q hello.nf
+    ./nextflow -echo hello.nf
 
 
 Congratulations! You have just run your first task with Nextflow.
@@ -106,8 +104,6 @@ Tasks in your pipeline can be written in any scripting language supported by the
 other than Linux BASH (e.g. Perl, Python, Ruby, R, etc), simply start your task script with the corresponding
 <a href='http://en.wikipedia.org/wiki/Shebang_(Unix)' target='_bank'>shebang</a> declaration. For example:
 
-    echo true
-
     task {
 
         """

examples/hello.nf

@@ -1,7 +1,5 @@
 #!/usr/bin/env nextflow
 
-echo true
-
 task {
 
     """