changelog updates from release branch

give hledger-lib a changelog, update changelogs

(cherry picked from commit a67cee4e5f)

Conflicts:
	hledger/CHANGES

update changelogs

(cherry picked from commit ef053a4252)

web: changelog

(cherry picked from commit 105c1d0142)

web: changelog

(cherry picked from commit 3d42c123be)

hledger-lib/CHANGES

@@ -0,0 +1,7 @@
+0.22.2 (2014/4/16)
+
+- display years before 1000 with four digits, not three
+- avoid pretty-show to build with GHC < 7.4
+- allow text 1.1, drop data-pprint to build with GHC 7.8.x
+
+0.22.1 (2014/1/6) and older: see http://hledger.org/release-notes or doc/CHANGES.md.

hledger-lib/hledger-lib.cabal

@@ -23,7 +23,9 @@ build-type:     Simple
 -- data-dir:       data
 -- data-files:
 -- extra-tmp-files:
-extra-source-files: tests/suite.hs
+extra-source-files: 
+                    tests/suite.hs
+                    CHANGES
 --   README
 --   sample.ledger
 --   sample.timelog

hledger-web/CHANGES

@@ -1,3 +1,11 @@
+0.22.7 (2014/4/17)
+
+- add Peter Simons' patch fixing Data.Conduit.Network HostIPv4 error (#171)
+
+0.22.6 (2014/4/16)
+
+- depend on hledger[-lib] 0.22.2
+
 0.22.5 (2014/4/15)
 
 - allow http-client 0.3.*, fixing cabal install again with GHC <= 7.6 (not yet 7.8)

hledger/CHANGES

@@ -56,6 +56,11 @@ Miscellaneous:
 - extra/hledger-rewrite.hs, adds postings to matched entries.
 
 
-0.22.1 (2014/1/6) and older
+0.22.2 (2014/4/16)
 
-See http://hledger.org/release-notes or doc/RELNOTES.md.
+- display years before 1000 with four digits, not three
+- avoid pretty-show to build with GHC < 7.4
+- allow text 1.1, drop data-pprint to build with GHC 7.8.x
+
+
+0.22.1 (2014/1/6) and older: see http://hledger.org/release-notes or doc/CHANGES.md.