usecases updated

usecases/README.md

-# [gitlab](https://www.gitlab.com) and `git` use cases live demo
+# GitLab use cases for data analysis projects
 
-- [markdown](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet) language
-- `README.md` file
+- creating new project in [GitLab](https://www.gitlab.com):
+  - project namespace
+  - group and individual access levels
+- `README.md` file:
   - editing in the browser
-- use case: meeting minutes
-- project location and access permisions:
-  - access levels
-  - groups and individuals
-- use case: bioinformatics analysis:
+  - [markdown](https://github.com/adam-p/markdown-here/wiki/Markdown-Cheatsheet) language
+  - commiting changes
+  - checking commit log and graph
+  - checking changes
   - project skeletons
+- _use case:_ writing minutes of a meeting
+- _use case:_ bioinformatics analysis:
   - integration with [Rstudio](https://www.rstudio.com/):
     - example report in R/[Rmarkdown](http://rmarkdown.rstudio.com/)
   - interaction with collaborators:
     - delivering reports through [gitlab](https://www.gitlab.com)
-    - checking updates (commit logs and graphs)
     - [tagging](https://git-scm.com/book/en/v2/Git-Basics-Tagging) repository states
-    - requesting changes ([issues](http://doc.gitlab.com/ce/gitlab-basics/create-issue.html))
-
+    - requesting changes ([issues](http://doc.gitlab.com/ce/gitlab-basics/create-issue.html))
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