fix cmake warning
Merge pull request #241 from mhamrle/develop

fix cmake warning
fix creating app directory if not exists

Closes #238
Merge pull request #245 from mhamrle/issue_238_binaries_crash

fix creating app directory if not exists
fix resizing buffer in anyoption

Closes #208
Merge pull request #246 from mhamrle/ot_crash

fix resizing buffer in anyoption
OTCrypto/OTCrypto_OpenSSL basic split into two files. Cleanup pending...
made GetPasswordFromConsoleLowLevel abstract
moved concrete implementation to OTCrypto_OpenSSL
remove unneeded includes
Choose OTCrypto implementation via a typedef