Fix crash on FieldValueComparison if not saved properly

See merge request !45

Add help to rule conditions and update ContributionRecur has payment processor condition

See merge request !46

Add Membership status changed condition

See merge request !44

Add condition 'Recurring payment processor' that checks which payment processor is linked to the recur

See merge request !43

Add condition 'Recurring payment processor' that checks recurring payment processor for recurring contribution / membership linked to recurring contribution

Add last trigger + ID to manage rules

See merge request !42

Fixes #67 ("Event Type is" condition)

Closes #67

See merge request extensions/civirules!41

Also check smartgroups for 'Contact in group' condition

See merge request extensions/civirules!40

Use more standard button html and fontawesome icons

See merge request extensions/civirules!39

UpdateNumericValue - complex updates of numeric fields

See merge request extensions/civirules!38

Set default for 'Check Group Tree' if it is No/false/0

Closes #60

See merge request extensions/civirules!37