BOINC web: fix translation problems

- change build_po.php to included news.inc and omit poll stuff
- remote.po.inc files before generating them (otherwise we'll always append)
server: fix compile error on systems that don't define MAXPATHLEN
client: more MAXPATHLEN fixes
VBOX: Code cleanup
VBOX: Update build number
client (Android): use random string for domain name

- parse domain_name from state file
- if it's empty, generate one of the form android_xxxxxxxx
- don't use MAC address
server: add code for extending deadlines via trickle-ups; from Christian
Tweaks to deadline-extension trickle handler, from Christian
fix wrapper build script for Android
MGR: Align the sync with account manager functionality with the attach to account manager functionality with regards to account manager name location.  Currently to print random stack stuff on the completion page.
Merge branch 'master' of ssh://boinc.berkeley.edu/boinc-v2
android: fix build break
fix bug in trickle handler framework; from Christian