Will Norris b88f2b70e5 add -cache flag and default to no cache ... The imageproxy command no longer uses the in-memory cache by default. Instead, no caching is enabled by default and the in-memory cache can be enabled by passing `-cache memory`. The -cache flag also supports specifying directories, and therefore replaces hte older -cacheDir flag. cacheDir is still supported for compatibility, but is deprecated and will be removed in the future. This also sets us up to add support for additional caching backends in the future. Partial fix for #49.		2015-12-04 15:54:00 -08:00
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imageproxy	add -cache flag and default to no cache	2015-12-04 15:54:00 -08:00