;doc: finalise changelogs

[ci skip]

CHANGES.md

@@ -1,7 +1,7 @@
 General/project-related changes in the hledger project. 
 For package-specific changes, see the package changelogs.
 
-# e8d5e569
+# 1.15 2019-09-01
 
 - install: bump to lts-14.4, hledger 1.15, drop hledger-api
 

hledger-lib/CHANGES.md

@@ -1,7 +1,7 @@
 Internal/api/developer-ish changes in the hledger-lib (and hledger) packages.
 For user-visible changes, see the hledger package changelog.
 
-# 93f48c45
+# 1.15 2019-09-01
 
 Removals include:
 

hledger-ui/CHANGES.md

@@ -1,7 +1,7 @@
 User-visible changes in hledger-ui.
 See also the hledger changelog.
 
-# 93f48c45
+# 1.15 2019-09-01
 
 - allow brick >=0.47
 

hledger-web/CHANGES.md

@@ -1,7 +1,7 @@
 User-visible changes in hledger-web.
 See also the hledger changelog.
 
-# 93f48c45
+# 1.15 2019-09-01
 
 - web: ?sidebar= hides the sidebar, like ?sidebar=0
 

hledger/CHANGES.md

@@ -1,7 +1,7 @@
 User-visible changes in the hledger command line tool and library.
 
 
-# 93f48c45
+# 1.15 2019-09-01
 
 - help: don't require a journal file