[OBMFULL-5454] adds some fun

with CSS in Firefox and Thunderbird big icons
[MU-3] add a configuration option for max parallel tasks
[MU-3] job scheduler
[MU-3] mupee background jobs module
[MU-3] use background task
MU-21 add a grunt file, .jshintrc and gjsint to improve code quality and automation
MU-21 clean all codes following gjsint and jshint rules
[OBMFULL-5509] register the logger at the begnning of middleware stack
[OBMFULL-5509] set identifier to "id" for REST client
[MU-9] add directives express route
[MU-9] relax URI parsing and trailing slash
[OBMFULL-5509] simplify callback
OBMFULL-5509 The file actions-test actually holds tests for default rules
OBMFULL-5509 ParameterDefinition must have an id property
[OBMFULL-5509] reword summary and description for latest-for-branch
[OBMFULL-5509] remove _id object property when doing an update
OBMFULL-5509 Rework deny rule action so that it returns a modified sourceversion
OBMFULL-5509 change _id to id for client rule data structure
OBMFULL-5509 Rules now have a list of predicates
OBMFULL-5509 Rules do not have summaries and descriptions