Fix file permissions (remove x flag)

Change-Id: I0ca897e411a1e5006f6e9b128b96c026bbb9ba68
Signed-off-by: Andrew Berezovskyi <andriib@kth.se>
diff --git a/_projectCommon.php b/_projectCommon.php
old mode 100755
new mode 100644
diff --git a/dependencies.php b/dependencies.php
old mode 100755
new mode 100644
diff --git a/download.php b/download.php
old mode 100755
new mode 100644
diff --git a/lyo.php b/lyo.php
old mode 100755
new mode 100644
diff --git a/previous-releases.php b/previous-releases.php
old mode 100755
new mode 100644
diff --git a/style.css b/style.css
old mode 100755
new mode 100644