getqwt script improved. Readme updated accordingly.

README.md

@@ -114,6 +114,8 @@ and understand the script then execute it.
 
 ```bash
 $ bash getqwt.sh
+$ cd ~/qwt-6.1
+$ sudo make install
 ```
 
 For further information refer to [this](http://qwt.sourceforge.net/)

utils/getqwt.sh

@@ -37,7 +37,6 @@ svn checkout svn://svn.code.sf.net/p/qwt/code/branches/qwt-6.1 $dest
 cd $dest
 qmake qwt.pro
 make
-sudo make install
 
 # Add env. variables to ~/.bashrc
 echo "LIBQWT_HOME=/usr/local/qwt-6.1.4-svn/lib" >> ~/.bashrc