VBOX: On a hypervisor detection failure failure dump all the logs to stderr, it would have quickly exposed a search path change on Mac OS X.

cppcheck: fix 1 kind of reports

Variable reference issues cause problems in PHP version higher than 5.3. The cck, content_profile, ctools, and panels modules need to be overridden to patch these issues, as no fixes are available in module releases.

(DBOINC-146)

(DBOINC-146)

Revert "VBOX: Fix a crashing bug on Windows.  If we fail to acquire a machine state lock, just report a VM start failure instead of crashing."

This reverts commit 7efd4b47.

(warning) Storing fgetc() return value in char variable and then comparing with EOF
+ optimize a bit by moving the instruction "buf[i]= '\0';" inside the loop, outside from it.
(only non example files have been changed)

cppcheck: Fix reports "Prefer prefix ++/-- operators for non-primitiv…

[client/app.cpp:313]: (performance) Prefer prefix ++/-- operators for non-primitive types.
[client/result.cpp:693]: (performance) Prefer prefix ++/-- operators for non-primitive types.

cppcheck: fix 2 reports

[clientgui/browser.cpp:375]: (error) Width 4096 given in format string (no. 1) is larger than destination buffer 'cookie_value[4096]', use %4095s to prevent overflowing it.
[clientgui/browser.cpp:575]: (error) Width 4096 given in format string (no. 1) is larger than destination buffer 'cookie_value[4096]', use %4095s to prevent overflowing it.

VBOX: Update CPU VMX/SVM usage detection code with the latest error messages returned by VirtualBox 5.x