For those of us of a certain age, the very words “San Francisco” evoke memories of 1960s music, flower power, the hippy generation and the 1967 summer of love. That entire movement, if movement is the right word, may have been synonymous with the wider city, but it was actually centred around the district of Haight Ashbury, just over a mile west of downtown.  A district which was hit hard by the Depression and fell into decline during the 1950s slowly became a haven for the hippy counterculture during the 60s due in the main to the availability of cheap rental accommodation in a downbeat and under populated neighbourhood. Within…