install wizard: fix php executable path

- php executable not required
- "check again" button submit form instead of reload page via js
- checks form submit to install module without redirect

mod/install.php

@@ -315,14 +315,16 @@ function check_php(&$phpath, &$checks) {
 	$help = "";
 	if(!$passed) {
 		$help .= t('Could not find a command line version of PHP in the web server PATH.'). EOL;
+		$help .= t("If you don't have a command line version of PHP installed on server, you will not be able to run background polling via cron. See <a href='http://friendica.com/node/27'>'Activating scheduled tasks'</a>") . EOL ;
+		$help .= EOL . EOL ;
 		$tpl = get_markup_template('field_input.tpl');
 		$help .= replace_macros($tpl, array(
-			'$field' => array('phpath', t('PHP executable path'), $phpath, t('Enter full path to php executable')),
+			'$field' => array('phpath', t('PHP executable path'), $phpath, t('Enter full path to php executable. You can leave this blank to continue the installation.')),
 		));
 		$phpath="";
 	}
 	
-	check_add($checks, t('Command line PHP'), $passed, true, $help);
+	check_add($checks, t('Command line PHP').($passed?" (<tt>$phpath</tt>)":""), $passed, false, $help);
 	
 	if($passed) {
 		$str = autoname(8);

view/install_checks.tpl

@@ -1,6 +1,6 @@
 <h1>$title</h1>
 <h2>$pass</h2>
-<form  action="$baseurl/install" method="post">
+<form  action="$baseurl/index.php?q=install" method="post">
 <table>
 {{ for $checks as $check }}
 	<tr><td>$check.title </td><td><span class="icon s22 {{if $check.status}}on{{else}}{{if$check.required}}off{{else}}yellow{{endif}}{{endif}}"></td><td>{{if $check.required}}(required){{endif}}</td></tr>
@@ -19,6 +19,6 @@
 	<input type="submit" value="$next">
 {{ else }}
 	<input type="hidden" name="pass" value="1">
-	<input type="button" value="$reload" onclick="document.location.reload()">
+	<input type="submit" value="$reload">
 {{ endif }}
 </form>