Replace string parsing function from atol to StringToLong

int64_t on same architectures could be long int and on some others could be long long int
Merge pull request #347 from mhamrle/fix_convert_strings

Replace string parsing function from atol to StringToLong
mac path fix
Merge pull request #346 from da2ce7/oxs_path_fix

mac path fix
opentxs CLI command separation.
Split ot_commands_ot.cpp into one class per command/function.
Merge pull request #336 from BugFreeSoftware/commands

Opentxs CLI commands separation
Fixed reversed condition in changepw command
Merge pull request #350 from BugFreeSoftware/fix_changepw

Fixed reversed condition in changepw command
Removed sleeping commands.