Added astylerc for code formatting with astyle
Disable --break-blocks for astyle
Added include/libreset/hash.h

This adds the include/libreset/hash.h file for the export of the hash
type used by the library.
Added documentation note about handling the rs_hash type
Updated README.md file
use size_t instead of uint64_t for rs_hash type
Merge pull request #24 from matthiasbeyer/add-hash_util

Add hash.h hash utility
Merge pull request #30 from matthiasbeyer/update-readme

Updated README.md file
Add inclusion of amsmfonts package
Add note about disjunctive buckets
Add subsection about constraint on number of buckets
Add subsection about mapping to buckets
Add subsection about a bucket's substructure.
Add labels to sections
Merge pull request #8 from neithernut/add-paper-data_layout

Add paper data layout
Added pre-commit hook

Also: astyle generates backup files. Ignore them
Removed else block
Refactored requirement checks
Removed unneeded variable
Fixed conditional

There can be other return values than 1 which also evaluates to false.