Update rubocop configs

Previously, there were some rubocop rule names that were causing rubocop
to fail to run entirely.
This commit updates the rubocop configs to match the new rubocop rule
names so that we can see all the issues that need correcting.

.rubocop.yml

@@ -58,7 +58,7 @@ Style/RegexpLiteral:
 # In some cases readability is better without these cops enabled
 Style/ConditionalAssignment:
   Enabled: false
-Next:
+Style/Next:
   Enabled: false
 Metrics/ParameterLists:
   Max: 10

.rubocop_todo.yml

@@ -55,7 +55,7 @@ Layout/EmptyLinesAroundModuleBody:
 # Cop supports --auto-correct.
 # Configuration parameters: EnforcedStyle, SupportedStyles, IndentationWidth.
 # SupportedStyles: special_inside_parentheses, consistent, align_braces
-Layout/IndentHash:
+Layout/IndentFirstHashElement:
   Exclude:
     - 'lib/vmpooler/api/helpers.rb'
     - 'lib/vmpooler/api/v1.rb'
@@ -246,7 +246,7 @@ Style/PerlBackrefs:
 # NamePrefix: is_, has_, have_
 # NamePrefixBlacklist: is_, has_, have_
 # NameWhitelist: is_a?
-Style/PredicateName:
+Naming/PredicateName:
   Exclude:
     - 'spec/**/*'
     - 'lib/vmpooler/api/helpers.rb'
@@ -289,7 +289,7 @@ Style/TernaryParentheses:
 # Offense count: 2
 # Configuration parameters: EnforcedStyle, SupportedStyles.
 # SupportedStyles: snake_case, camelCase
-Style/VariableName:
+Naming/VariableName:
   Exclude:
     - 'lib/vmpooler/api/v1.rb'