Renumbering commandline, pdll_arm and toolchain_macro tests to avoid duplicates.
Renaming qt_helloworld, commandline and whatcomp to match the test and file names.
Allocating ids to qt_helloworld and apply_usecases.
Fixing typo in commandline test and enabling it so it actually runs.
<h3>API Search</h3>
<form class="search" action="api/search.html" method="get">
<input type="text" name="q" size="18" /> <input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>