add public method Filesystem#size
add size-based limit for files cache, fixes #1321
Add a composer ascii-art logo
Fixed InitCommand::addVendorIgnore
Updated Doc 00-intro to be more clear

As I was going through the docs, it leads you to do a 'composer install' somewhere where it will not work, if you are following along with installation and such. It is assuming you have a 'composer.json' file in the directory already, which you may not.
Update doc/04-schema.md

Probably a typo (blocked -> locked)
Merge remote-tracking branch 'lyrixx/patch-500'
Simplify regex pattern
Merge remote-tracking branch 'pauliwang/patch-1'
Merge remote-tracking branch 'romainneutron/ascii-art'
Only inject logo in help page and not in the app name
Merge remote-tracking branch 'bradp/patch-1'
Rephrase/reformat some of the intro, refs #1450
Merge remote-tracking branch 'galymzhan/add-cache-files-maxsize'
CS fixes
allow K/KB as well as KiB for cache size configuration