Merge ~jslarraz/ubuntu-qa-tools:fix-find-latest-release into ubuntu-qa-tools:master

[Jorge Sancho Larraz]

uvt: fix find_latest_release

find_latest_release seems to stop working properly for some releases. For trusty it returns just 14.04 what leads to an error in the iso download. This MR fixes it

[Marc Deslauriers (mdeslaur)]

Yep, looks good.

review: Approve

diff --git a/vm-tools/uvt b/vm-tools/uvt
index c7b0143..fca876d 100755
--- a/vm-tools/uvt
+++ b/vm-tools/uvt
@@ -2959,12 +2959,7 @@ def find_latest_release(release_num, iso_type):
         print("Could not reach web server! Please download manually.")
         sys.exit(1)
 
-    text = re.compile(r'<[^>]+>').sub('', html).split('\n')
-    matches = []
-    for line in text:
-        if line.startswith(' ' + release_num):
-            matches.append(re.search(r'(\d+\.\d+(\.\d+)?)\/', line).group(1))
-
+    matches = re.findall(re.escape(release_num) + "\.\d+", html)
     if len(matches) > 0:
         latest_release = sorted(matches)[-1]
         print("Found release %s" % latest_release)