attachments 6.x-1.4

#832770 by adaddinsane: Added the Stylistics dependency to the .info file (bug fix)
#834700 by adaddinsane: Added the ability to switch the Javascript replacement
on and off, also change the main descriptive text. (feature)
#827840 by adaddinsane: Allow the title of the attachments to be changed. (feature)
#799716 by adaddinsane: Generalise the display styles to allow other modules to implement. (feature)

by adaddinsane: Separate the settings pages because there's more on them (feature)
by adaddinsane: Minor spelling and punctuation issues (bug fix)