IC: Caelum-rc4+dev11

*Combines:*

cFE  v7.0.0-rc4+dev143
osal osal v6.0.0-rc4+dev87
psp v1.6.0-rc4+dev

ci_lab v2.5.0-rc4+dev22
to_lab v2.5.0-rc4+dev21
sample_app v1.3.0-rc4+dev21

**Includes:**

- nasa/cFE#2119, Endian macro mask before shift to avoid shift overflow warning
- nasa/cFE#2115, Add macro for initializing command header

*Add StatusToString API*
- nasa/osal#1259, Add OS_StatusToString API
- nasa/PSP#347, Add CFE_PSP_StatusToString and CFE_PSP_STATUS_C
- nasa/cFE#2113, Add CFE_ES_StatusToString and CFE_STATUS_C

*Remove registration of empty EVS filters*
- nasa/ci_lab#111, Remove registration of empty EVS filters
- nasa/to_lab#122, Remove registration of empty EVS filters
- nasa/sample_app#175, Remove registration of empty event filters