impr(engine/rest): add ActivityInstance.activityType to API
style(bpmn.ref): fix typos
style(deployment.desc): fix typos
style(REST.API): fix typos in docs
style(ee.docs): fix typos
style(installation.guide): fix typos
style(migration.guide): fix typos
style(user.guide): fiy typos
doc(rest): binary content for variable instance

related to #CAM-2007
feat(rest): post binary variables

Docs for

POST /execution/{id}/localVariables/{varId}/data
POST /process-instance/{id}/variables/{varId}/data

related to #CAM-2011
faet(bpmn/signal): Update bpmn 2.0 event overview

- make signal event subprocess colored
- change limitation text for subprocess

related to #CAM-1993
impr(rest): hint about ended flag on Proc Inst
Merge branch 'master' of github.com:camunda/docs.camunda.org
docs(readme): add US English hint
fix(bpmn/overview): Fix related version for signal event subprocess

related to #CAM-1993
feat(bpmn/timerEventSub): Update BPMNN 2.0 overview

- make timer event subprocess colored
- change limitation text under event subprocess to info text

related to #CAM-2018
docs(tomcat): add detail information
docs(migrationGuide): Add migrate your process Application

- add migration info to new taskForm bean "camundaFoxTaskForm"

related to #CAM-1698
feat(rest/history): variables/update binary data

related to #CAM-2028
Merge pull request #23 from berndruecker/master

impr(engine/rest): add ActivityInstance.activityType to API

related to #CAM-2031