Adds initial NVM and logging support
Fixes compile error when not using NVM
NVManager now also checks for write permission on PMFS volume
fixed write permission check, correctly deleting testfile now
HOTFIX: added JSON field 'data_table' : '<loaded_table_name>' for InsertScan to allow for inserts without creation of temporary table
added ability to copy rows into table from a vector of Json::Value or std::string
fixed InsertScan to use Store::copyRowToDeltaFromJSONVector instead of creating a temporary table for inserts issued via JSON
code cleanup in InsertScan
NVSimulator
Merge branch 'feature/nvm' of github.com:hyrise/hyrise into feature/nvm

Conflicts:
	build/bin/units_storage/Makefile
Fixed test threshold for delay_rt
Added verification that cpufreq is working
added NVM mountpoint, filename and filesize as settings.mk options
Adds support for persistent http connections
Merge branch 'master' into feature/nvm
Merge branch 'feature/http_keep_alive' into feature/nvm
HOTFIX: adds lock in dictionary addValue
Fixes Bug in persistent HTTP connection that resulted in accumulated queris
Merge branch 'feature/http_keep_alive' into feature/nvm
Removes NVSimulator calls if latencies are 0, preallocates NVVector with size 10k