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
udpate doc how to get latest clang-format and cppcheck
Merge pull request #248 from mhamrle/install_deps

udpate doc how to get latest clang-format and cppcheck
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
Applied clang-format
Removed commented code.
Merge pull request #249 from benma/issue236

Resolves #236 (Split OTCrypto files into interface and implementation)
Amended notes on how to install clang-format-3.5.
Merge pull request #250 from benma/develop

Amended notes on how to install clang-format-3.5.
CMake: also verify libzmq.so version

Before, we used the libzmq.so symlink to link to ZMQ. This can
be problematic when users have multiple ZMQ installations because
the symlink can point to an arbitrary version.
Merge pull request #205 from toxeus/zmqLibVersion

CMake: also verify libzmq.so version
Removed leftover debugging assert.