Fixed indentation in makefile.osx

Was careless during patching and editor converted indentation to spaces.
Added default boincdatadir paths for Linux, Mac OS X and Windows XP
CPUMiner21
Merge pull request #9 from Lederstrumpf/ImproveLinuxAndMacCompatibility

Added default boincdatadir paths for Linux, Mac OS X and Windows XP
Merge branch 'master' of https://github.com/gridcoin/Gridcoin-master
CPUMiner22

CPUMiner22
CPUMiner23

CPUMiner23
CPUMiner24

CPUMiner24
CPUMiner25
CPUMiner26
CPUMiner27

CPUMiner27 - Added myriads Net Sync Layer
CPU28
CPU29
CPU30
RestartNetLayer feature
Upgrading to Boost 1.55.0
Boost 1.55.0-2
Boost 1.55.0-3
Revert "Boost 1.55.0-3"
boost