travis: leave system OpenSSL unchanged on OSX build

now compiling using un-force-linked OpenSSL 1.0.1 from brew
we shouldn't be changing the system OpenSSL, as this can cause
other applications to stop working on OSX
opentxs-script: remove lines with comments containing dashed lines

Command used:
    sed -r -i '/^ *\/\/ ?-+$/d' src/opentxs-script/main.cpp
opentxs-script: remove lines with comments containing asterisk lines

Command used:
    sed -r -i '/^ *\/\/ ?\*+$/d'  main.cpp
Merge pull request #34 from toxeus/removeLines

style: remove comment separator lines
Merge pull request #8 from da2ce7/fix_includes_path

travis: do not force link openssl, use custom path in cmake
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 standardized copyright heading.
(Copied heading from OTString.hpp)