Added bjam files. Change header files suffixes to .hpp.

There is yet an error:

iMac-de-Vicente-Botet-Escriba:test viboes$ bjam toolset=clang-3.1x -q
warning: mismatched versions of Boost.Build engine and core
warning: Boost.Build engine (bjam) is 2011.04.00
warning: Boost.Build core (at /Users/viboes/boost/trunk/tools/build/v2)
is 2011.12-svn
...patience...
...found 626 targets...
...updating 3 targets...
clang-darwin.link bin/TestChrono.test/clang-darwin-3.1x/debug/TestChrono
Undefined symbols for architecture x86_64:
  "boost::suffixes::chrono::detail::select_type<5ull,
std::__1::chrono::duration<long, std::__1::ratio<3600l, 1l> >
>::value", referenced from:
__ZN5boost8suffixes6chronoli2_hIJLc53EEEENS1_6detail11select_typeIXsr6de
tail13base_dispatchIXspT_EEE5valueENSt3__16chrono8durationIlNS5_5ratioIL
l3600ELl1EEEEEE4typeEv in TestChrono.o
  "boost::suffixes::chrono::detail::select_type<5ull,
std::__1::chrono::duration<long, std::__1::ratio<60l, 1l> > >::value",
referenced from:
__ZN5boost8suffixes6chronoli4_minIJLc48ELc120ELc53EEEENS1_6detail11selec
t_typeIXsr6detail13base_dispatchIXspT_EEE5valueENSt3__16chrono8durationI
lNS5_5ratioILl60ELl1EEEEEE4typeEv in TestChrono.o
  "boost::suffixes::chrono::detail::select_type<5ull,
std::__1::chrono::duration<long long, std::__1::ratio<1l, 1l> >
>::value", referenced from:
__ZN5boost8suffixes6chronoli2_sIJLc48ELc53EEEENS1_6detail11select_typeIX
sr6detail13base_dispatchIXspT_EEE5valueENSt3__16chrono8durationIxNS5_5ra
tioILl1ELl1EEEEEE4typeEv in TestChrono.o
  "boost::suffixes::chrono::detail::select_type<5ull,
std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000l> >
>::value", referenced from:
__ZN5boost8suffixes6chronoli3_msIJLc53EEEENS1_6detail11select_typeIXsr6d
etail13base_dispatchIXspT_EEE5valueENSt3__16chrono8durationIxNS5_5ratioI
Ll1ELl1000EEEEEE4typeEv in TestChrono.o
  "boost::suffixes::chrono::detail::select_type<5ull,
std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000l> >
>::value", referenced from:
__ZN5boost8suffixes6chronoli3_usIJLc53EEEENS1_6detail11select_typeIXsr6d
etail13base_dispatchIXspT_EEE5valueENSt3__16chrono8durationIxNS5_5ratioI
Ll1ELl1000000EEEEEE4typeEv in TestChrono.o
  "boost::suffixes::chrono::detail::select_type<5ull,
std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l>
> >::value", referenced from:
__ZN5boost8suffixes6chronoli3_nsIJLc53EEEENS1_6detail11select_typeIXsr6d
etail13base_dispatchIXspT_EEE5valueENSt3__16chrono8durationIxNS5_5ratioI
Ll1ELl1000000000EEEEEE4typeEv in TestChrono.o
  "boost::suffixes::chrono::detail::select_type<18000ull,
std::__1::chrono::duration<long long, std::__1::ratio<1l, 1l> >
>::value", referenced from:
__ZN5boost8suffixes6chronoli2_sIJLc49ELc56ELc48ELc48ELc48EEEENS1_6detail
11select_typeIXsr6detail13base_dispatchIXspT_EEE5valueENSt3__16chrono8du
rationIxNS5_5ratioILl1ELl1EEEEEE4typeEv in TestChrono.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see
invocation)

"/Users/viboes/clang/clang+llvm-3.1-x86_64-apple-darwin11/bin/clang++"
-o "bin/TestChrono.test/clang-darwin-3.1x/debug/TestChrono"
"bin/TestChrono.test/clang-darwin-3.1x/debug/TestChrono.o"    -g
-std=c++11 -stdlib=libc++

...failed clang-darwin.link
bin/TestChrono.test/clang-darwin-3.1x/debug/TestChrono...
...failed updating 1 target...
Add miising file on last commit
more files to ignore
Added license and copyright
Added suffixes for boost::chrono
resolved merge conflicts