Use standardized multiple inclusion guards
Standardized file name heading with correct file names
Minimize header dependencies
Remove old unused OTMeChai.hpp
Minimize source dependencies
Clean up OTString.hpp
Added or fixed/standardized copyright heading.
(Copied heading from OTString.hpp)
OTSettingsPvt: don't use pointer to SimpleIni
Merge pull request #59 from toxeus/removePvt

OTSettingsPvt: don't use pointer to SimpleIni
Merge pull request #63 from BugFreeSoftware/api_cleanup

Api lib cleanup
Cash: Move files to new subdirectory cash
Cash: Link cash-library static
Cash: Link lucre in cash library only
Cash: Move header files to new cash subdirectory
Cash: Renaming classes
Cash: Fix opentxs-script include path