Refactor FCFSPower main function
Refactor rest of FCFSPower
More refactoring in FCFSPower
In FCFSPower Write logs to file
Clean whitespace

tabs, ^M, trailing whitespace, bad indents all gone!
Remove PowerDatacenterBroker because it's useless

All it did was to exit on a certain error, I put an exception into the
corresponding place in the base class instead.
Move vmTable up into VmAllocationPolicy.java

Since same implementation was used everywhere
Add basic getPower() into FCFS algorithm

Getting power of each host multiple times at the moment (once per vm on
the host), so no good for any calculations..