Aiohttp-apispec

- Remove upper bound for jinja2 b6d295088e9082a6fba4ad23e3d875906ebfb831 by kiforchuk
- Return AiohttpApiSpec for setup_aiohttp_apispec b22823162d30bc17331f99c4db7f8e52f7072821 by hyzyla
- Travic CI fixes

- Webargs 8 support (pzhang65) - 112
- apispec 5 support (kiforchuk) - 115

Changes compared to 2.2.1 version:
- Update swagger-ui static files to version 4.1.0 (slymit) - 727d2c1fcbb61f71a5ba4cd0041c7654ae06ba9c
- Fixes response validation error when description is not provided (mat-work) - e96db8b4fd97c27987c3f117a87350ffed99b2fb
- Relative url param (Artur Gwiazda) - 0ebdc86a7bb8f41d1276adfe9076a0ada60b4fe3
- Added url_for usage to support nested apps (AivanF) - 0c72d94fb0022b1e9b391620c8321f99acc2c6a9
- Add custom schema name resolver for MarshmallowPlugin (va-dev) - ba786bae3731164188ba6568e3794c5216b61b1b
- Described in README semver is supported (alvassin) - ef6c215d5cce70fe1cb60433d07ead4215efdbe5
- Pass example to request schema (Niccolum) - 90

- Removed upper bound from jinja2 98e747cf8fbeffd7269d71891136c500531b7fa1

- Update swagger-ui static files to version 4.1.0 (slymit) - 727d2c1fcbb61f71a5ba4cd0041c7654ae06ba9c
- Fixes response validation error when description is not provided (mat-work) - e96db8b4fd97c27987c3f117a87350ffed99b2fb
- Relative url param (Artur Gwiazda) - 0ebdc86a7bb8f41d1276adfe9076a0ada60b4fe3
- Added url_for usage to support nested apps (AivanF) - 0c72d94fb0022b1e9b391620c8321f99acc2c6a9
- Add custom schema name resolver for MarshmallowPlugin (va-dev) - ba786bae3731164188ba6568e3794c5216b61b1b
- Described in README semver is supported (alvassin) - ef6c215d5cce70fe1cb60433d07ead4215efdbe5
- Pass example to request schema (Niccolum) - 90

- Set upper bounds for major releases of dependencies - 3915f216cdc20df0a88cbbc35bf579978765e2a3

- Register swagger UI and JSON as named resources - 630decf8f4d901a9a3e562771890cc9d2e0a00ae
- Add the option for not register a docs route - 6e68c7d6c67ab77f6cc3af99739307644af6c86c
- Added custom resolver for partial schemes - b22eb2014c62b34dad42aca05ebc43944a9f0321
- New decorators for specific request data validation - 6548bc17bfd0440fad961175e0bdc220db35fe7e
- Many params fix - closes 58. Middleware fix - closes 64 - 804edc9e4f597746543854811f084d5d34d60667