Upgrade to latest squeasel
Upgrade to latest squeasel

Includes the following changes:
* bb22fe8 Handle EINTR in recv/send/read/write syscalls
* 217ef78 Make worker threads spawn on demand and stop when no requests come in
* 719bee7 Add thread names for worker and master threads
* 6e41801 Fix a race with use of non-reentrant localtime
* 49538e3 Add Cloudera copyright to all headers
* a268dc1 Remove Windows and Symbian-specific code

Change-Id: I53a9aa04e723ed9c19e8724592a932872fb6be65
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1210
Tested-by: jenkins
Reviewed-by: Colin McCabe <3142ce8a0bdba4a38073365893e6b74f72d9c512@cloudera.com>

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