Fixes for `beforeAll` failures

[ashleyfrieze]

Fixes for #110 and #109 further to #111 not quite fixing beforeAll.

Added additional tests and resolved a couple of minor glitches in docs and code for the JUnit rule support.

[codecov[bot]]

Codecov Report

Merging #112 into master will decrease coverage by 0.13%. The diff coverage is 100%.

@@             Coverage Diff             @@
##             master    #112      +/-   ##
===========================================
- Coverage     99.43%   99.3%   -0.14%     
- Complexity      331     332       +1     
===========================================
  Files            40      40              
  Lines           714     717       +3     
  Branches         21      22       +1     
===========================================
+ Hits            710     712       +2     
- Partials          4       5       +1

Impacted Files	Coverage Δ	Complexity Δ
...kins/spectrum/dsl/specification/Specification.java	100% <100%> (ø)	19 <1> (ø)	:arrow_down:
.../java/com/greghaskins/spectrum/internal/Suite.java	100% <100%> (ø)	53 <1> (ø)	:arrow_down:
...eghaskins/spectrum/internal/junit/RuleContext.java	96.77% <100%> (+1.85%)	32 <8> (+3)	:arrow_up:
...eghaskins/spectrum/internal/hooks/HookContext.java	100% <100%> (ø)	10 <0> (ø)	:arrow_down:
.../spectrum/internal/junit/RunNotifierReporting.java	96.42% <0%> (-3.58%)	6% <0%> (-1%)
...com/greghaskins/spectrum/internal/hooks/Hooks.java	97.29% <0%> (-2.71%)	20% <0%> (-1%)

[codecov[bot]]

Codecov Report

Merging #112 into master will increase coverage by 0.14%. The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #112      +/-   ##
============================================
+ Coverage     99.43%   99.58%   +0.14%     
- Complexity      331      334       +3     
============================================
  Files            40       40              
  Lines           714      717       +3     
  Branches         21       22       +1     
============================================
+ Hits            710      714       +4     
+ Partials          4        3       -1

Impacted Files	Coverage Δ	Complexity Δ
.../java/com/greghaskins/spectrum/internal/Suite.java	100% <100%> (ø)	53 <1> (ø)	:arrow_down:
...eghaskins/spectrum/internal/junit/RuleContext.java	96.77% <100%> (+1.85%)	32 <8> (+3)	:arrow_up:

[ashleyfrieze]

Squashed the commit to make for a nicer merge... no pressure @greghaskins ;)