cached_rowhammer.cc: Remove unused code

Add cached_rowhammer.cc, which produced a bit flip on an X220

Update double_sided_rowhammer.cc

Notes: Add further note about "Active-Precharge Hammering" paper

Cache analysis: Display miss table for an attempted "rowhammer optimal" ordering

Cache model: Print the total cache miss counts too

Cache model: Add an "--order" option for trying different address orderings

Cache model: Fix some corner cases and add a test for them

Add model/simulation of cache eviction with a Bit-Pseudo-LRU cache

Notes: Add notes about other paper's availability

Notes: Add note about when paper became available

Notes: Add notes about papers' publication venues

Notes: Add notes about paper citations

Notes: Add more notes on papers

Notes: Add notes about one of the papers