feat(feature): add feature release command (#64)

Create initial version of release command for git flow feature. As 
proposed in petervanderdoes/gitflow-avh#162. This request closes #63 and
also closes petervanderdoes/gitflow-avh#162 as a result.

Author: ChrisJStone

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+#### 2.2.0-SNAPSHOT
+* feat(feature): add release sub command. Thank You [codesurf42](https://github.com/codesurf42) for the initial pr
+* feat(init): add sign flag to create initial signed commit
+* feat(init): add support for "Support Git Environment Credentials" pull request #19 from filipekiss/feature/environment_credentials
+* docs: update repository url in source files
+* docs: update copyright information in source files
+* fix: wording for help text in git flow log pull request #15 from Shea690901/hotfix/git-flow-log_help-message
+* refactor(git-flow): add support for busybox-readlink request #12 from KAction/readlink-busybox
+
+
 #### 2.1.0
 * feat: add create command to release allowing for a single step release prodution
 * feat: add missing hook script filter-flow-release-finish-version

git-flow-feature

@@ -59,6 +59,7 @@ git flow feature checkout
 git flow feature pull
 git flow feature delete
 git flow feature rename
+git flow feature release
 
 Manage your feature branches.
 
@@ -430,6 +431,36 @@ no-ff!                 Never fast-forward during the merge
 	helper_finish_cleanup
 }
 
+cmd_release() {
+	OPTIONS_SPEC="\
+git flow feature release [-h]
+
+Create a release based on current feature
+--
+h,help!                Show this help
+"
+
+	# 1) pull dev from origin
+	# git_do checkout "$BRANCH"
+	# git_do (or somth exists alredy here?)
+
+	# Parse arguments
+	parse_args "$@"
+
+	# Use current branch if no name is given
+	if [ "$NAME" = "" ]; then
+	    gitflow_use_current_branch_name
+	fi
+
+	# 2) Update feature with dev
+	echo "Rebasing $BASE_BRANCH to $BRANCH"
+	git_do flow feature rebase || die "Could not rebase $BRANCH which is based on $BASE_BRANCH"
+
+	# 3) create release
+	git_do flow release start $NAME $BRANCH
+
+}
+
 helper_finish_cleanup() {
 	local keepmsg remotebranchdeleted localbranchdeleted
 

git-flow-version

@@ -39,7 +39,7 @@
 #
 
 
-GITFLOW_VERSION=2.1.0
+GITFLOW_VERSION=2.2.0-SNAPSHOT-2
 
 initialize() {
 	# A function can not be empty. Comments count as empty.