You need to write a plugin & no option available OOB.  But you can get in AS IS format.  Does not sounds good you are trying to consume in java script. What is your usecase trying to solve 

After modification please restart the bundle the workflow bundle [1]  the bundle name might be granite if you are using latest patches.[1] http://<host>:<port>/system/console/bundles/com.day.cq.workflow.cq-workflow-impl

The article [1] & its reference links talks how to configure on web server. That alone is not sufficient for you Need to enable sso at aem side using matching header at http://localhost:4502/system/console/configMgr/com.adobe.granite.auth.sso.impl.SsoAuthenticationHandler  More details at https://do...

You can write a query & use it.Alternatively Use component report & filter on the type equal to your component. If you need in excel can make use of http://www.aemstuff.com/#article962[1]   http://host:port/etc/reports/compreport.html

No need of Reverse replication in aem 6.1 instead make just configure sling distribution. So that author acts as coordinator between n publish instance & another good thing with 6.1 is acl also replicated.  Steps at http://docs.adobe.com/docs/en/aem/6-1/administer/communities/sync.html

You can delete those..    Or after migration to crx3 and before upgrade can follow below steps for clean structure. i use cp instead of move to take care of any upgrade issue.mv crx-quickstart crx-quickstart.cqmkdir -p crx-quickstart/repository/repositoryjava -jar aem-author-p4502.jar -unpackcp -R c...

 Install the hot fix 6760 & make sure fileReferenceParameter properties for each file upload widget is unique.

Adobe Campaign(AC)  interacts with both author & publish.   Example delivery of newsletter after all the approval phase will interact with publish.  For  unapproved Email template AC interacts with author & is required in AC side so that campaign approval managers can use it for budget/target/planni...

Yes suggest to have key in a separate package and deploy as last one.  But anyhow this not going to solve your existing problem based on the error. When you delete /etc it work because it generates a new one & surely a problem with key itself that is in your file system.   You said "checkout" & assu...

I assume when you say "refreshed the Crypto Package " it means you restarted the bundle.  There is a difference. In case it was refresh only then please stop & start the bundle.If you have restarted the bundle then your symptoms looks strage.  What is the error in logs & what is your deployment step...