doc: fix broken links after content reorg

Home page "button" links needed to be manually updated (because of the
raw html usage) after content around.

Move partition mode docs from try to develop persona pages.

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>

doc/develop.rst

@@ -19,6 +19,8 @@ Configuration Tutorials
    tutorials/sign_clear_linux_image
    tutorials/static-ip
    tutorials/debug
+   tutorials/using_partition_mode_on_nuc
+   tutorials/using_partition_mode_on_up2
 
 User VM Tutorials
 *****************

doc/index.rst

@@ -16,7 +16,7 @@ through an open source platform.
 
    <ul class="grid">
        <li class="grid-item">
-           <a href="learn/index.html">
+           <a href="learn.html">
                <img alt="" src="_static/images/ACRNlogo.png"/>
                <h2>Learn about<br/>ACRN</h2>
            </a>
@@ -24,7 +24,7 @@ through an open source platform.
               features, and use-case scenarios</p>
        </li>
        <li class="grid-item">
-           <a href="try/index.rst">
+           <a href="try.html">
                <span class="grid-icon fa fa-map-signs"></span>
                <h2>Try using<br/>ACRN</h2>
            </a>
@@ -32,7 +32,7 @@ through an open source platform.
               samples</p>
        </li>
        <li class="grid-item">
-           <a href="develop/index.html">
+           <a href="develop.html">
                <span class="grid-icon fa fa-cogs"></span>
                <h2>Develop using<br/>ACRN</h2>
            </a>
@@ -40,7 +40,7 @@ through an open source platform.
               solutions</p>
        </li>
        <li class="grid-item">
-           <a href="contribute/index.html">
+           <a href="contribute.html">
                <span class="grid-icon fa fa-github"></span>
                <h2>Contribute to<br/>ACRN</h2>
            </a>

doc/try.rst

@@ -23,5 +23,3 @@ Follow these getting started guides to give ACRN a try:
    getting-started/apl-nuc
    getting-started/up2
    getting-started/building-from-source
-   tutorials/using_partition_mode_on_nuc
-   tutorials/using_partition_mode_on_up2