Bump TurboJPEG C API version to 2.1

(because of TJFLAG_LIMITSCANS)
diff --git a/doc/html/annotated.html b/doc/html/annotated.html
index 08282d9..b7773dd 100644
--- a/doc/html/annotated.html
+++ b/doc/html/annotated.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/classes.html b/doc/html/classes.html
index 756dfa9..bfcf32a 100644
--- a/doc/html/classes.html
+++ b/doc/html/classes.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/functions.html b/doc/html/functions.html
index 7f85093..055b876 100644
--- a/doc/html/functions.html
+++ b/doc/html/functions.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/functions_vars.html b/doc/html/functions_vars.html
index 68e20e1..540b3e4 100644
--- a/doc/html/functions_vars.html
+++ b/doc/html/functions_vars.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/group___turbo_j_p_e_g.html b/doc/html/group___turbo_j_p_e_g.html
index 7ac10c9..bf10073 100644
--- a/doc/html/group___turbo_j_p_e_g.html
+++ b/doc/html/group___turbo_j_p_e_g.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/index.html b/doc/html/index.html
index c5ed778..165a589 100644
--- a/doc/html/index.html
+++ b/doc/html/index.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/modules.html b/doc/html/modules.html
index de5be65..b3fa1c0 100644
--- a/doc/html/modules.html
+++ b/doc/html/modules.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/structtjregion.html b/doc/html/structtjregion.html
index 12c7a25..daa206a 100644
--- a/doc/html/structtjregion.html
+++ b/doc/html/structtjregion.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/structtjscalingfactor.html b/doc/html/structtjscalingfactor.html
index 432aa2c..021a36f 100644
--- a/doc/html/structtjscalingfactor.html
+++ b/doc/html/structtjscalingfactor.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doc/html/structtjtransform.html b/doc/html/structtjtransform.html
index bdf2702..92aa3fa 100644
--- a/doc/html/structtjtransform.html
+++ b/doc/html/structtjtransform.html
@@ -23,7 +23,7 @@
  <tr style="height: 56px;">
   <td id="projectalign" style="padding-left: 0.5em;">
    <div id="projectname">TurboJPEG
-   &#160;<span id="projectnumber">2.0</span>
+   &#160;<span id="projectnumber">2.1</span>
    </div>
   </td>
  </tr>
diff --git a/doxygen.config b/doxygen.config
index cb884f9..6deb064 100644
--- a/doxygen.config
+++ b/doxygen.config
@@ -1,5 +1,5 @@
 PROJECT_NAME = TurboJPEG
-PROJECT_NUMBER = 2.0
+PROJECT_NUMBER = 2.1
 OUTPUT_DIRECTORY = doc/
 USE_WINDOWS_ENCODING = NO
 OPTIMIZE_OUTPUT_FOR_C = YES