ReadMe update (installation steps)

I've done a fresh installation of U16.04 and some steps were missing (boost must be installed) or deprecated (glog installation has changed) in the dependencies section.

README.md

@@ -37,6 +37,12 @@ Dependencies
 
 ! Please notice that we are detailing two installation procedures below. If you are familiar with `ROS` and more especially the [`catkin_tools`](https://catkin-tools.readthedocs.io/en/latest/index.html) package then you may jump directly to the 'Using the `catkin_tools` package' section.
 
+#### Boost
+
+[Boost](http://www.boost.org/). Free peer-reviewed portable C++ source libraries.
+
+    $ sudo apt-get install libboost-all-dev
+
 #### Eigen
 
 [Eigen](http://eigen.tuxfamily.org). Linear algebra, header library. Eigen 3.2 is also a depencency of ROS-Hydro. In case you don't have ROS in your machine, you can install Eigen by typing:
@@ -74,16 +80,24 @@ libgflags.a will be installed at **/usr/local/lib**
     
 -   Build and install with:
 
-        $ cd glog
-        $ ./configure --with-gflags=/usr/local/
-        $ make
-        $ sudo make install
-    
+        $ ./autogen.sh
+        $ ./configure --with-gflags=/usr/local/
+        $ make
+        $ sudo make install
+
 libglog.so will be installed at **/usr/local/lib**
 
 -   Tourbleshooting:
 
-    If the `make` command fails with the error: `/bin/bash: aclocal-1.14: command not found`, install Glog with the following commands:
+    * ./autogen.sh fails with './autogen.sh: autoreconf: not found'
+
+    In a fresh installation you will probably need to install autoreconf running
+    
+        $ sudo make install dh-autoreconf 
+
+    * `make` command fails with the error: `/bin/bash: aclocal-1.14: command not found`
+    
+    Install Glog with the following commands:
         
         $ cd glog
         $ sudo apt-get install autoconf