added space before format macros for c++11 compat

without a space after " compilation with -std=c++11 fails, because it
assumes the macro to be a string suffix, which it does not know / which is
invalid, because it doesn't start with a underscore
explicit boost:: namespace for c++11 compat

c++11 introduced a std::shared_ptr. With using namespace std and boost the
declaration without explicit namespace is invalid
shared_ptr comparisions to nullptr for c++11

c++11 supports explicit operator bool, which is used by newer boost if
c++11 is enabled, breaking the implicit conversions. A comparision to NULL
is used instead
[appmessenger] make ThreadMessage's parameters signed integers
Merge pull request #4024 from lorem-ipsum/c++11

Minor changes to enable c++11 compilation
fixed: use the proper make instead of calling 'make' directly

fixes builds on freebsd
cmake buildsystem
add tests needed by new u16 string stuff
wrap cmyth properly
move some more install related stuff to install script
move all install code to platform install script
allow building without doxygen
fix building with yajl2
generate scripts in a subdir to avoid problems configuring in top dir
properly wrap library.xbmc.foo
link to threading lib
remove duplicate mpeg2 entry
properly locate java and swig

also use the detected paths for java, swig and doxygen
cosmetics: move all depends together for better readability
changed: build with a prefix to avoid cluttering the build dir

some peeps still do in-source builds out of old habits. this is
to annoy them slightly less, though they should STOP doing in-source
builds in the first place