[IMP] firmware: application * Condense `Lang` selection code and fix issues with language display * Remove `Apply` from Russian language array

[IMP] firmware: Application Updates * Drop in German i18n * Begin support for Español * Fix Caller ID issues for multi-word callers * Improve i18n code

[IMP] firmware: Application pre-1.1.17 improvements * Support Digital audio for calls when coax cable is used * Clean up telephony volume handling code * Set max volume offset to 12 steps * Add BLE/MAP profiles to BC127 library * Change Device Name Length to 64 bytes * Resolve incompatibility issue with VM by listening to `0x4E` command * Fix CDC status emulation to prevent track number issues * Remove errant announce bit from CDC Pong responses

[IMP] firmware: Application Localization Improvements * Rename `local` to `locale` * Alphabetize `locale` in build scripts * Remove Apply option for Language in favor of keeping all languages in the standard English. This makes reverting the language easy * Remove ConfigGet/SetLanguage() in favor of using ConfigGet/SetSetting to reduce firmware footprint * Minor styling changes

[IMP] firmware: Application Localization Support * Extended ASCII symbols support fix. * Device name normalization fixed. * UtilsNormalizeText method refactoring. * Friendly device name size increased. * Defines wording update. * Utils char maping table updated according russified BMW Navigation firmware. * Exclude not used chars and no-break space char from the supported ranged. * Cyrillic chars support for russified BMW navigation firmware. * Russian localization added. * Additional unicode characters support added. * Settings UI menu refresh on language selection.

[IMP] firmware: Application pre-1.1.17 improvements * Support Digital audio for calls when coax cable is used * Clean up telephony volume handling code * Set max volume offset to 12 steps * Add BLE/MAP profiles to BC127 library * Change Device Name Length to 64 bytes * Resolve incompatibility issue with VM by listening to `0x4E` command * Fix CDC status emulation to prevent track number issues * Remove errant announce bit from CDC Pong responses

[IMP] hardware: Minor v1.5 updates * Change C35 to 1206 footprint to support GRM31CR61E476ME44L * Minor wiring changes

[IMP] hardware: v1.5 Minor Updates * Update Silkscreen * Move I-Bus trace further from board edge

[IMP] hardware: v1.5 Minor Updates * Update part numbers for several components * Update Silkscreen

[IMP] hardware: v1.5 High Voltage improvements * Remove XRP6759 * Remove Old Tantalum C1 * Remove V1 * Remove L1 * Add common mode choke at input (L1) to filter out A/C * Add new Aluminum Polymer input Capacitor rated for 35v (40v transcients) (C1) * Add MPQ4420 wide input voltage switching regulator for 12v -> 5v regulation * Add XC6702 to protect Q2 from trancients and provide a constant voltage to TEL ON and Microphone power * Power Microphone through 12v rail * Rewire 3.3v net * Rewire 5v net * Fix decoupling cap positioning for PIC24 * Fix decoupling cap positioning for FT232RL