Add system information to log (#261)
Merge review 183 by @srh @jdoliner (fix #261)
Make the flush_time_randomizer_t never ask for a zero-second timeout.  Also made the timer_handler_t::add_timer_internal guarantee about such be an rassert.
Improve the init.d file (issues #188 and #251)
Merge review 182 by @mlucy @coffeemug (Fix #251 #188)
tweak to compile with gcc 4.7.2

clustering/administration/http/log_app.cc: In member function 'virtual http_res_t log_http_app_t::handle(const http_req_t&)':
clustering/administration/http/log_app.cc:85:86: error: narrowing conversion of '(((long long int)time(0u)) + 1000ll)' from 'long long int' to '__time_t {aka long int}' inside { } is ill-formed in C++11 [-Werror=narrowing]
Merge review 185 by @srh
Merge branch 'next' into sam_203