Remove compiler version check
Get rid of C++11 stuff
Port GetAmxPath() to Boost.Filesystem
Fix GetAmxPath() returning empty string in AmxUnload()
Fix possible issues with ">>"
Fix compile errors on Linux
Change profiling duration format to HH:MM:SS
Merge branch 'ancient-compiler'
Set minimum Boost version to 1.49

Boost.Chrono has been introduced in Boost 1.49