Fix the final links to images

Author: albinahlback

src/applications.txt

@@ -170,7 +170,7 @@ An example benchmark problem is the "three-loop banana diagram", about which the
 </p>
 
 <div style="text-align:center">
-<img src="banana.svg" style="width:250px; max-width:25%" />
+<img src="img/banana.svg" style="width:250px; max-width:25%" />
 </div>
 
 <blockquote>
@@ -230,7 +230,7 @@ The current version of FLINT proves this equality in four seconds.</p>
 <h4>Cutting squares into similar rectangles</h4>
 
 <div style="text-align:center">
-<img src="squarecutting.png" style="width:600px; max-width:80%" />
+<img src="img/squarecutting.png" style="width:600px; max-width:80%" />
 </div>
 
 <p>
@@ -266,7 +266,7 @@ Applications include:</p>
 </ul>
 
 <div style="text-align:center">
-<img src="torus.jpg" style="width:250px" />
+<img src="img/torus.jpg" style="width:250px" />
 </div>
 
 <h4>Accurate Gaunt factors for quadrupole radiation</h4>
@@ -304,7 +304,7 @@ The computations are described in more detail in Helfgott's book
 and on his website.</p>
 
 <div style="text-align:center">
-<img src="zplot2.svg" style="width:60%" /><br/>
+<img src="img/zplot2.svg" style="width:60%" /><br/>
 <i>Figure: a short subsegment of one of Helfgott's integrals: $\int_{-\tfrac{1}{4}+8i}^{-\tfrac{1}{4}+40000i} \left|\frac{F_{19}(s+\tfrac{1}{2}) F_{19}(s+1)}{s^2}\right| |ds|$, where $F_N(s) = \zeta(s) \prod_{p\leq N} (1 - p^{-s})$.</i>
 </div>
 
@@ -334,7 +334,7 @@ Very impressed by the robustness of your software as well as by the tremendous s
 <h4>Traveling wave solutions of PDEs</h4>
 
 <div style="text-align:center">
-<img src="BH-u.svg" style="width:300px" /><br/>
+<img src="img/BH-u.svg" style="width:300px" /><br/>
 </div>
 
 <p>

src/index.txt

@@ -4,7 +4,7 @@
 under the <a href="https://www.gnu.org/licenses/lgpl-3.0.en.html">GNU LGPL</a>.
 
 <div style="float:right; width:250px; margin-left:1em; margin-right:0; margin-bottom:2em; text-align:center; padding: 0.5em; background-color: #fffadd; border: 1px solid #fff0d4; border-radius:4px;">
-<img src="domains.svg"/>
+<img src="img/domains.svg"/>
 <br/><br/>
 <span style="font-style: italic">Some domains handled by FLINT.</span>
 </div>
@@ -71,7 +71,7 @@ and some key functions use SIMD acceleration.
 
 <h3>Handles real numbers</h3>
 
-<div style="text-align:center"><img src="arb-banner.jpg" style="width:75%; margin-bottom:1em" /> <br/>
+<div style="text-align:center"><img src="img/arb-banner.jpg" style="width:75%; margin-bottom:1em" /> <br/>
 <span style="font-style: italic">Some transcendental functions of a complex variable plotted using FLINT's ball arithmetic. Left to right:
 the elliptic <i>j</i>-invariant in two different projections; the gamma function; the Riemann zeta function.</span>
 </div>