Merge pull request #89 from murrekatt/develop

Restructuring and include fixes for opentxs-server
OTLedger: replace OTCleanup with std::unique_ptr
Merge pull request #86 from lclc/otledgercleanup

OTLedger: replace OTCleanup with std::unique_ptr
git: output at pre-push cppcehck start and end
Merge pull request #93 from toxeus/verboseHook

git: output at pre-push cppcehck start and end
README: Add tip4commit
Merge pull request #68 from lclc/readmeTipp4Commit

README: Add tip4commit
Fixed bug in OTCron introduced by commit 0cb43362
Iterator comparison failed because begin() and end()
were called on different maps...