Fix: Coremongo for nil rs and statemdl

See merge request !84

1. Fix: Statemdl need to be initialised for DAL, resulting in panic if not initialised.

1. Fix: Nil pointer dereference error for Result.

1. Fix: GC cache tests

FIx: Remove GC Cache dependency from cachemdl

See merge request !82

1. FIx: Remove GC Cache dependency from cachemdl

Add: prefer connection to primary

See merge request !81

1. Fix: failed to connect to primary 

1. Add: prefer connection to primary

Added grid fs support

See merge request !78

Fix: Email text types for boly and plain body

See merge request !80

1. Fix: Email text types for boly and plain body

Fix: Sent email is plain text if alternate text is empty

See merge request !79

1. Fix: Sent email is plain text if alternate text is empty
2. Add: Parse Plain text in normal v2 call

Add: Alternate text for email

See merge request !77

1. Add: Method to parse and set plainbody

1. Add: Method to add alternate text fro email

Add: Message Id header to avoid spam mails

See merge request !76

This reverts commit 6dd7ec5d.

1. Add: Message Id header to avoid spam mails

Roshanp fdb

See merge request !74

Fix: CoreMongo

See merge request !73

Add: Service caller

See merge request !72

1. Add: Service caller, calls a service by name from bl

Roshanp fast http changes

See merge request !71

Multipart removal + global Config mutex lock

See merge request !70

cache mdl get all items added

See merge request !69